\ ˈȯn How to pronounce on (audio) , ˈän \

Definition of on

 (Entry 1 of 7)

1a used as a function word to indicate position in contact with and supported by the top surface ofthe book is lying on the table
b used as a function word to indicate position in or in contact with an outer surfacethe fly landed on the ceilingI have a cut on my fingerpaint on the wall
c used as a function word to indicate position in close proximity witha village on the seastay on your opponent
d used as a function word to indicate the location of somethingon the lefton the south side of the houseon the farm
2a used as a function word to indicate a source of attachment or supporton a stringstand on one foothang it on a nail
b used as a function word to indicate a source of dependenceyou can rely on mefeeds on insectslives on a pension
c used as a function word to indicate means of conveyanceon the bus
d used as a function word to indicate presence in the possession ofhad a knife on him
3 used as a function word to indicate a time frame during which something takes placea parade on Sunday or an instant, action, or occurrence when something begins or is doneon cueon arriving home, I found your letternews on the hourcash on delivery
4 archaic : of
5a used as a function word to indicate manner of doing something often used with theon the slykeep everything on the up-and-up
b used as a function word to indicate means or agencycut myself on a knifetalk on the telephone
c used as a function word to indicate a medium of expressionon stagebest show on television
6a(1) used as a function word to indicate active involvement in a condition or statuson the increaseon the lookout
(2) : regularly using or showing the effects of using on drugs
b used as a function word to indicate involvement or participationon touron the teamon duty
c used as a function word to indicate inclusionput it on the agenda
d used as a function word to indicate position or status in proper relationship with a standard or objectiveon schedule
7a used as a function word to indicate reason, ground, or basis (as for an action, opinion, or computation)I have it on good authorityon one conditionthe interest will be 10 cents on the dollar
b used as a function word to indicate the cause or sourceprofited on the sale of stock
c used as a function word to indicate the focus of obligation or responsibilitydrinks are on the houseput the blame on me
8a used as a function word to indicate the object of collision, opposition, or hostile actionbumped my head on a limban attack on religionpulled a gun on me
b used as a function word to indicate the object with respect to some disadvantage, handicap, or detrimenthas three inches in height on mea 3-game lead on the second-place teamthe joke's on me
9a used as a function word to indicate destination or the focus of some action, movement, or directed effortcrept up on himfeast your eyes on thisworking on my skiingmade a payment on the loan
b used as a function word to indicate the focus of feelings, determination, or willhave pity on mekeen on sportsa curse on you
c used as a function word to indicate the object with respect to some misfortune or disadvantageous eventthe crops died on them
d used as a function word to indicate the subject of study, discussion, or considerationa book on insectsreflect on that a momentagree on price
e : with respect to go light on the salt short on cash
10 used as a function word to indicate reduplication or succession in a seriesloss on losstrouble on trouble

Definition of on (Entry 2 of 7)

1a : in or into a position of contact with an upper surface especially so as to be positioned for use or operation put the plates on
b : in or into a position of being attached to or covering a surface especially : in or into the condition of being worn put his new shoes on
2a : forward or at a more advanced point in space or time went on home later on
b : in continuance or succession rambled on and so on
3 : into operation or a position permitting operation switched the light on

Definition of on (Entry 3 of 7)

1 : engaged in an activity or function (such as a dramatic role)
2a(1) : being in operation The radio is on.
(2) : placed so as to permit operation The switch is on.
b : taking place or being broadcast The game is on.
3 : aware of something usually used with toMy boss was on to me.
4 : intended, planned has nothing on for tonight
5 British : talking or harping incessantly used with about
6 chiefly British : regarded as possible or feasible usually used in negative constructions
7a : engaged in or as if in a performance The comedian was always on.
b : being at a high level of performance
variants: or Ont

Definition of ON (Entry 4 of 7)

Ontario

Definition of -on (Entry 5 of 7)

: chemical compound not a ketone or other oxo compound parathion

Definition of -on (Entry 6 of 7)

1 : subatomic particle nucleon
2a : unit : quantum photon magneton
b : basic hereditary component cistron operon

Definition of -on (Entry 7 of 7)

: noble gas radon

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Examples of on in a Sentence

Preposition There is a lot of frosting on the cake. books on sports heroes are my favorite reading matter Adverb We're far on with our project. I'll come by to help you later on. Adjective The lid is on tight. The band will be on in 10 minutes. He is on tomorrow from 6 a.m to 6 p.m.
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Recent Examples on the Web: Preposition The Cardinals had played at Target Field on Wednesday, a day before the Indians arrived. The Arizona Republic, "More COVID-19 positive tests lead to concerns for MLB commissioner, players union," 1 Aug. 2020 Per state data on Wednesday, 1,673 of the 64,299 positive cases in Indiana have been in Hendricks County. Mj Slaby, The Indianapolis Star, "5 takeaways from the first day at Avon Community Schools," 31 July 2020 Lukashenko summoned an emergency meeting of his Security Council on Wednesday after law enforcement seized the mercenaries at a sanatorium near Minsk. Henry Meyer, Bloomberg.com, "Putin’s Top Ally Accuses Russia of Coup Plot as Vote Nears," 31 July 2020 The lawmakers, who chair panels involved in drafting or overseeing coronavirus relief measures, asked Treasury Secretary Steven Mnuchin on Wednesday to stop any aid to the companies and recover any money that was paid. David Koenig, USA TODAY, "Spirit Airlines warns of layoffs as the COVID-19 pandemic continues to cut into air travel," 31 July 2020 In Central Ohio, Franklin County Public Health issued a similar statement to Cuyahoga County on Wednesday and advised schools in its area discontinue sports during the period of remote learning. Matt Goul, cleveland, "OHSAA plans to move forward with football, fall practices despite school decisions," 31 July 2020 Two other former Alabama prep stars are on that list – Minnesota Vikings defensive tackle Michael Pierce from Daphne High School and Baltimore Ravens offensive tackle Andre Smith from Huffman High School. Mark Inabinett | Minabinett@al.com, al, "Former Florence star chooses NFL opt-out because of cancer," 31 July 2020 Not present on this list are unlicensed operations that illegally breed gators as pets. Tina Deines, National Geographic, "Alligators make terrible pets: 'You're basically dealing with a dinosaur.'," 31 July 2020 Churches in San Mateo County, which was added to the state’s watch list on Wednesday, must close their doors starting Sunday; outdoor services will be permitted. Anna Bauman, SFChronicle.com, "SF Archbishop tells priests to hold more masses to avoid overcrowding," 30 July 2020 Recent Examples on the Web: Adverb High school fall sports are still scheduled to take place as the pandemic rages on, but seasons have been delayed until early 2021. Michael Cabanatuan, SFChronicle.com, "Five big questions about high school football, fall sports in the Bay Area," 1 Aug. 2020 That's something many models struggled to pick up on. Madeline Holcombe, Judson Jones And Dakin Andone, CNN, "Isaias is now the season's second hurricane," 31 July 2020 But from now on, that will come out of the UC’s legal division, rather than O&E. Dallas News, "The Public Utility Commission has a secret: Regulator quietly dissolves its enforcement division," 31 July 2020 Miller said the investigation is on-going, and detectives are seeking witnesses and collecting surveillance video from nearby homes and businesses. Robin Goist, cleveland, "Akron man, 1-year-old daughter in stroller ‘intentionally struck and killed,' police say," 13 July 2020 Dominion, the third installment in the Jurassic Park sequel trilogy, halted production at Pinewood Studios in the U.K. months ago due to the on-going situation with the pandemic. Nick Romano, EW.com, "Jurassic World: Dominion returns to set, studio denies reports of filming delays," 10 July 2020 Mo’Nique frequently chats with her followers while preparing healthy snacks and sharing glimpses at her on-going fitness journey. Keyaira Boone, Essence, "Mo’Nique Addresses Rumors She Might Join 'The Real Housewives Of Atlanta'," 10 July 2020 These are preliminary figures, because the 2020 census is still on-going. Bill Laitner, Detroit Free Press, "Detroit struggles while two tiny suburbs are nationwide census leaders," 29 June 2020 Duhaney, 37, oversaw the city administration's response to homeless camps, the on-going overhaul of the 911 center in the wake of 16-year-old Kyle Plush's death in April of 2018 and and the Fifth Third Center shooting in September of that year. Sharon Coolidge, Cincinnati.com, "Cincinnati City Manager Patrick Duhaney set to depart; Boggs Muething to take over temporarily," 16 June 2020 Recent Examples on the Web: Adjective As a Fox News anchor, Smith made headlines for his on-air criticism of President Donald Trump and departed the conservative-leaning news network last October. Charles Trepany, USA TODAY, "Former Fox News anchor Shepard Smith to join CNBC as host of 'The News with Shepard Smith'," 9 July 2020 Akiyama is the wild-card of the group, but his on-base percentage was .385 or higher for his last five seasons in Japan. Tyler Dragon, The Enquirer, "Professional sports are back. Here's what fans have to look forward to in Cincinnati.," 6 July 2020 In addition to the health of players, the NFL also must take into account the rest of its on-field personnel, from coaches to athletic trainers to game officials. Paul Daugherty, Cincinnati.com, "Doc's Morning Line: Sports is a breather and a vacation. We need a vacation right now.," 3 June 2020 Stroman had years of experience working with congressional Democrats and had become the agency point man on vote-by-mail initiatives for the November election. Josh Dawsey, BostonGlobe.com, "Postal Services launches review of package delivery fees as Trump influence grows," 14 May 2020 Stroman had years of experience working with congressional Democrats and had become the agency point man on vote-by-mail initiatives for the November election. Author: Jacob Bogage, Josh Dawsey, Anchorage Daily News, "Postal service launches review of package delivery fees as Trump pressure grows," 14 May 2020 Think of the off budget as Dr. Jekyll and the on budget as Mr. Hyde. Scott Burns, Dallas News, "Scott Burns: Tell politicians to keep their hands off Social Security," 25 Apr. 2020 Billions of dollars in loans sought by small businesses trying to pay employees and keep their doors open were on pause as the SBA, supported by the Treasury, grapples with the demand on its system. NBC News, "Outages and delays mar new small business loan program," 8 Apr. 2020 But investors are on edge as any spike in volume these days has sent shares lower. Bernhard Warner, Fortune, "The global markets climb even as the coronavirus death rate soars," 20 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'on.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of on

Preposition

before the 12th century, in the meaning defined at sense 1a

Adverb

before the 12th century, in the meaning defined at sense 1a

Adjective

circa 1541, in the meaning defined at sense 1

History and Etymology for on

Preposition, Adverb, and Adjective

Middle English an, on, preposition & adverb, from Old English; akin to Old High German ana on, Greek ana up, on

Noun suffix (1)

International Scientific Vocabulary, alteration of -one

Noun suffix (2)

from -on (in ion)

Noun suffix (3)

New Latin, from -on (in argon)

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Learn More about on

Time Traveler for on

Time Traveler

The first known use of on was before the 12th century

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Dictionary Entries near on

Omsk

Omura

Ōmura

on

ON

-on

Ona

See More Nearby Entries 

Statistics for on

Last Updated

4 Aug 2020

Cite this Entry

“On.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on. Accessed 14 Aug. 2020.

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More Definitions for on

How to pronounce -on (audio)

English Language Learners Definition of on

 (Entry 1 of 3)

: touching and being supported by the top surface of (something)
: to a position that is supported by (something)
used to indicate the part or object by which someone or something is supported

English Language Learners Definition of on (Entry 2 of 3)

used to indicate that something is attached to, covering, or supported by something else
used to describe something that is being worn by someone
used to indicate movement forward

English Language Learners Definition of on (Entry 3 of 3)

: attached to or covering something
: performing or speaking in public
: working at a job
\ ˈȯn How to pronounce on (audio) , ˈän \

Kids Definition of on

 (Entry 1 of 4)

1 : in contact with and supported by Put the books on the table.
2 used to indicate means of being carriedHe rode on a tractor.
3 used to indicate the location of somethingBoth bedrooms are on the top floor.
4 used to indicate the focus of a certain actionHe went down on his stomach.She chewed on gum.We called the police on him.
5 : against sense 4 There were shadows on the wall.
6 : near or connected with We stopped in a town on the river.
7 : to entry 1 sense 1 Mine is the first house on the left.
8 : sometime during We can begin work on Monday.
9 : in the state or process of on fire on sale
10 : about entry 2 sense 1 I'm looking for a book on minerals.
11 : by means of She likes to talk on the phone.

Kids Definition of on (Entry 2 of 4)

1 : into operation or a position allowing operation Turn the light on.
2 : in or into contact with a surface Put the kettle on. She has new shoes on.
3 : forward in time, space, or action We finally went on home. The argument went on for weeks.
4 : from one to another Pass the word on.

Kids Definition of on (Entry 3 of 4)

1 : being in operation The radio is on.
2 : placed so as to allow operation The switch is on.
3 : taking place The game is on.
4 : having been planned She has nothing on for tonight.

Kids Definition of ON

Ontario
\ ˈȯn, ˈän How to pronounce on (audio) \

Medical Definition of on

: regularly using or showing the effects of using is on an ACE inhibitor to control hypertension was on drugs for two years before entering rehab

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More from Merriam-Webster on on

Thesaurus: All synonyms and antonyms for on

Spanish Central: Translation of on

Nglish: Translation of on for Spanish Speakers

Britannica English: Translation of on for Arabic Speakers

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