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.

The company has remained diligent following a significant operational recovery in 2025, delivering a statutory profit and progress toward operational targets, Hussain says.

From The Wall Street Journal • May 6, 2026

Those who have worked alongside him describe him as a "by the book man" who has had a distinguished career in public service and is "diligent about processes and acting properly."

From BBC • Apr. 20, 2026

Herzog depicts the bushmen who aid Boyes as dignified, diligent and intelligent without romanticizing them while capturing the rugged beauty of the African landscape.

From Los Angeles Times • Mar. 24, 2026

She was particularly diligent about checking for accuracy.

From The Wall Street Journal • Feb. 26, 2026

Even in that last battle, he had been well served by what he called the “honest, sensible and diligent men” of Americas first intelligence service.

From "George Washington, Spymaster" by Thomas B. Allen

Vocabulary lists containing diligent

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