iron

noun
\ ˈī(-ə)rn How to pronounce iron (audio) \

Definition of iron

 (Entry 1 of 3)

1 : a silver-white malleable ductile magnetic heavy metallic element that readily rusts in moist air, occurs native in meteorites and combined in most igneous rocks, is the most used of metals, and is vital to biological processes — see Chemical Elements Table
2 : something made of iron: such as
a : a household device usually with a flat metal base that is heated to smooth, finish, or press (such as cloth)
b : any of a series of numbered golf clubs having relatively thin metal heads — compare wood
c irons plural : shackles for the hands or legs
d : a heated metal implement used for branding or cauterizing
e : stirrup usually used in plural
3 : great strength, hardness, or determination
iron in the fire
1 : a matter requiring close attention
2 : a prospective course of action

iron

adjective

Definition of iron (Entry 2 of 3)

1 : of, relating to, or made of iron
2 : resembling iron
3a : strong and healthy : robust an iron constitution
b : inflexible, unrelenting iron determination
c : holding or binding fast an iron grip

iron

verb
ironed; ironing; irons

Definition of iron (Entry 3 of 3)

transitive verb

1a : to smooth with or as if with a heated iron iron a shirt
b : to remove (something, such as wrinkles) by ironing
2 : to shackle with irons
3 : to furnish or cover with iron

intransitive verb

: to smooth or press cloth or clothing with a heated iron

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Other Words from iron

Adjective

ironness \ ˈī(-​ə)rn-​nəs How to pronounce ironness (audio) \ noun

Synonyms & Antonyms for iron

Synonyms: Adjective

firm, forceful, hearty, lusty, robust, solid, stout, strong, sturdy, vigorous

Antonyms: Adjective

uncertain, weak

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Examples of iron in a Sentence

Adjective

he had an iron determination to succeed in on Wall Street

Recent Examples on the Web: Noun

His unmistakable beard and tats can be seen on the image site strolling with a woman on the beach, sitting by a campfire and pumping iron in the gym. CBS News, "Trump Facebook video ads appear to use stock models," 3 July 2019 His unmistakable beard and tats can be seen on the image site strolling with a woman on the beach, sitting by a campfire and pumping iron in the gym. Bernard Condon, The Mercury News, "Trump’s Facebook ads use models posing as supporters," 2 July 2019 His unmistakable beard and tats can be seen on the image site strolling with a woman on the beach, sitting by a campfire and pumping iron in the gym. Bernard Condon, Houston Chronicle, "Trump Facebook ads use models to portray actual supporters," 2 July 2019 The trivet from the river was shaped like an iron for ironing clothing, Timm said. Joe Taschler, Milwaukee Journal Sentinel, "Magnet fishing is a slimy new hobby where people pull guns, bikes and weird stuff out of Milwaukee-area rivers, lakes and lagoons," 25 June 2019 Reid claimed responsibility for Dentino’s decision to play an iron instead of a wood on No. Tyler Kraft, Indianapolis Star, "Carmel, Dentino sweep boys state golf tournament," 12 June 2019 The footage additionally shows employees striking calves with their hands and steel rods and being burnt with branding irons. Suzanne Baker, Naperville Sun, "'Disturbing' video of calves being abused prompts Casey's Foods, Jewel to remove Fairlife dairy items," 5 June 2019 The garden, designed by Jilayne Rickards, is a recreation of a rural Zimbabwean outdoor classroom, with rocky red soil planted with edible crops, including iron-rich beans, papaya, and banana trees. Ingrid Abramovitch, ELLE Decor, "The Top 5 Takeaways from the 2019 Chelsea Flower Show," 23 May 2019 The magic ingredient is actually an iron-rich protein from soy plants mass-produced using yeast. Caroline Picard, Good Housekeeping, "Is the Impossible Burger Actually Healthy? A Nutritionist Weighs In on the Ingredients," 29 Apr. 2019

Recent Examples on the Web: Verb

Anyone can iron Jim Bob’s shirt, anybody can make lunch for him. Sophie Dodd, PEOPLE.com, "'Be Joyfully Available for Him ... Even Though You May Be Exhausted and Big Pregnant': The Duggar Family's Most Candid Sex Tips," 28 June 2019 Trump landed in politics with a persona - wealthy playboy, savvy tycoon, gruff truth-teller - ironed into place by decades of media appearances. oregonlive.com, "‘He’s just a psychotic’: Letterman looks back with regret on his many Trump interviews," 13 June 2019 Fabrics are being cut, ironed, and assembled, all to standard qualifications set by the International Days for Girls organization. Kitty Leshay, courant.com, "Days For Girls: Empowering Girls Worldwide," 7 June 2019 One of my first little girl chores around the house was ironing Daddy’s handkerchiefs. Leslie Anne Tarabella, al.com, "Defend yourself with a proper hankie," 4 June 2019 Oh, and those linens need to be ironed after each washing. Liz Krieger, Town & Country, "You Probably Don’t Own Enough Towels, According to an Expert," 22 Feb. 2019 Certain fabrics don't need ironing (like flannel) but if your sheets are made from linen or cotton, take the time. Emma Bazilian, House Beautiful, "How a Professional Set Stylist Makes the Perfect Bed," 21 Feb. 2019 Case in point: The Dyson Airwrap, a hair styling tool that delivers a whole range of looks — bouncier blowouts, longer-lasting curls, and frizz-smoothing flat-ironing — with technology borrowed from jet engines, of all things. Allure, "The 5 Most Innovative Beauty Product Launches of 2019, According to Allure Readers," 14 May 2019 The basement floor is terra cotta tile, and there is a separate laundry room with a mangle for ironing sheets, as well as storage for the quantity of linens needed for seven bedrooms. Joan Walden, courant.com, "288 Hopmeadow Street, Simsbury," 21 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'iron.' 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 iron

Noun

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

Adjective

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

Verb

15th century, in the meaning defined at transitive sense 3

History and Etymology for iron

Noun

Middle English, from Old English īsern, īren; akin to Old High German īsarn iron

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Dictionary Entries near iron

IRO

iroha

iroko

iron

Iron Age

iron alum

ironback

Statistics for iron

Last Updated

12 Jul 2019

Look-up Popularity

Time Traveler for iron

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

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More Definitions for iron

iron

noun

English Language Learners Definition of iron

 (Entry 1 of 3)

: a heavy type of metal that is very common, occurs naturally in blood, and is used to make steel and in many products
: a device with a flat metal base that is heated and is used to press wrinkles out of clothing
: a golf club that has a metal head and is identified by a number

iron

adjective

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

: made of iron
: very strong

iron

verb

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

: to use a heated iron to make clothing or fabric smooth

iron

noun
\ ˈī-ərn How to pronounce iron (audio) \

Kids Definition of iron

 (Entry 1 of 3)

1 : a heavy silvery white metallic chemical element that rusts easily, is strongly attracted by magnets, occurs in meteorites and combined in minerals, and is necessary for transporting oxygen in the blood
2 : a device that is heated and used for making cloth smooth
3 : a device that is heated to perform a task a soldering iron
4 irons plural : handcuffs or chains used to bind or to hinder movement

iron

adjective

Kids Definition of iron (Entry 2 of 3)

1 : made of iron
2 : strong and healthy He has an iron constitution.
3 : not giving in an iron will

iron

verb
ironed; ironing

Kids Definition of iron (Entry 3 of 3)

: to press with a heated iron

iron

noun
\ ˈī(-ə)rn How to pronounce iron (audio) \

Medical Definition of iron

1 : a heavy malleable ductile magnetic silver-white metallic element that readily rusts in moist air, occurs native in meteorites and combined in most igneous rocks, is the most used of metals, and is vital to biological processes (as in transport of oxygen in the body) symbol Fe — see Chemical Elements Table
2 : iron chemically combined iron in the blood

Other Words from iron

iron adjective

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More from Merriam-Webster on iron

Thesaurus: All synonyms and antonyms for iron

Spanish Central: Translation of iron

Nglish: Translation of iron for Spanish Speakers

Britannica English: Translation of iron for Arabic Speakers

Britannica.com: Encyclopedia article about iron

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