Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

assiduity

play
noun as·si·du·i·ty \ˌa-sə-ˈdü-ə-tē, -ˈdyü-\

Definition of assiduity

plural

assiduities

  1. 1 :  the quality or state of being assiduous :  diligence

  2. 2 :  persistent personal attention —usually used in plural

Read the Latest from M-W

alt-594bf2ec5f26e
Quick: Read This!
image599301899
Pretty in 'Pink'
istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
June 2017 Words of the Day Quiz
decimate-video
Is it wrong to use 'decimate' to mean 'destroy'?

Examples of assiduity in a Sentence

  1. this project has been successful only through the assiduity of a lot of people

First Known Use of assiduity

1596

assiduity Synonyms

Synonyms
diligence, assiduousness, industriousness, industry, sedulity, sedulousness
Related Words
application, attentiveness, attention, care, concentration; doggedness, perseverance, persistence, tenacity, tirelessness; bother, effort, effortfulness, pains, painstaking, trouble
Near Antonyms
carelessness, negligence, slackness; idleness, indolence, laziness

Learn More about assiduity

  1. See words that rhyme with assiduity Thesaurus: All synonyms and antonyms for assiduity

Seen and Heard

What made you want to look up assiduity? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

perspicuous

play

clear to the understanding

Get Word of the Day daily email!

TRENDING NOW

  1. surrogate mother From TMZ to the dictionary.

  2. zealot A fanatical partisan

  3. stonewall to be uncooperative, obstructive, or evasive

  4. scurrilous Containing obscenities, abuse, or slander

  5. depose That word might not mean what you think it means.

SEE ALL

BROWSE DICTIONARY

assiduity

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

alt-594bf2ec5f26e
Quick: Read This!

'Quick' once had a very different meaning

alt-594d2b6325245
'Pride': The Word That Went From Vice to Strength

Do you take pride in Pride?

image599301899
Pink: The Color that Will Change Your Life

From Fuchsia to Baker-Miller Pink

image2144101468
That Sucks Word Alternatives

Your day is the worst. Your vocabulary is the best.

Ask the Editors

decimate-video
Is it wrong to use 'decimate' to mean 'destroy'?

Language changes

serial-comma
The Serial Comma

Why don't they call it the Merriam-Webster comma?

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
June 2017 Words of the Day Quiz

Summer's first WOTD quiz.

Take the quiz
alt-5941ad7527c3c
Yearbook Superlatives Quiz

Is that your picture under "Largest Vocabulary"?

Take the quiz
How Strong Is Your Vocabulary?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Take the quiz
Syn City
Syn City

Build a city of skyscrapers—one synonym at a time.

Play the game
Examples: assiduity in a Sentence