Synonyms of assiduity

assiduity

noun

ˌa-sə-ˈdü-ə-tē 

as in diligence

attentive and persistent effort

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

Synonyms & Similar Words

• diligence
• effort
• persistence
• industriousness
• industry
• assiduousness
• attentiveness
• attention
• concentration
• application
• perseverance
• tenacity
• effortfulness
• sedulity
• sedulousness
• doggedness
• painstaking
• care
• tirelessness
• pains
• trouble
• bother

Antonyms & Near Antonyms

• negligence
• carelessness
• indolence
• idleness
• laziness
• slackness

Example Sentences

Recent Examples of assiduity

While the Queen Mother was very fond of this Queen Victoria tiara and wore it with relative assiduity, her daughter only wore it once in public, on an official trip to Malta in November 2005. — Ana Serrano, Glamour, 7 Dec. 2025

These indestructible treasures have always been buried in matter, awaiting the invention of scanning electron microscopes and scientists with enough assiduity to spend decades on end peering into their atomic eyes. — Virginia Heffernan, WIRED, 21 Mar. 2023

Lee is hardly the first biographer to be wooed by the allure of her subject; to risk being squashed by the weight of her research; or to concede that, despite her assiduity, much will elude her grasp. — Anthony Lane, The New Yorker, 22 Feb. 2021