diligent

[dil-i-juhnt] / ˈdɪl ɪ dʒənt /

ADJECTIVE

persevering, hard-working

Synonyms

STRONGEST

active assiduous attentive careful conscientious eager earnest indefatigable industrious painstaking persistent studious tireless

WEAK

busy constant eager beaver grind laborious occupied operose persisting pertinacious plugging sedulous steadfast unflagging unrelenting untiring

Antonyms

STRONGEST

careless disinterested idle ignorant inactive inattentive lazy neglectful thoughtless tired uncareful unconcerned unenthusiastic unscrupulous weary

WEAK

indifferent languid lethargic negligent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Officials say that to combat the spread, ranchers must be diligent about covering wounds on their livestock, to prevent screwworms from taking hold.

From BBC • Jun. 5, 2026

As the case dragged on and the flak kept coming, Police Scotland's then chief constable Sir Iain Livingstone said their "diligent, thorough and proportionate" criminal inquiry was looking at potential embezzlement.

From BBC • May 25, 2026

There was no diligent retailer in the Philippines who realized they overcharged you for an eBay or Amazon purchase you had forgotten you made years ago, and miraculously wanted to make you whole.

From MarketWatch • Mar. 25, 2026

“I was wild and in the streets, not diligent in any way about anything, but I really loved it.”

From Los Angeles Times • Mar. 25, 2026

He’s back out in the garage being diligent again.

From "Dry" by Neal Shusterman and Jarrod Shusterman

Vocabulary lists containing diligent

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