Diligent
Antonyms for diligent:
lethargic, negligent, sluggish, inactive, remiss, impatient, inattentive, quiescent, neglectful, indolent, hit-and-run, lazy, idle.
Synonyms for diligent:
Sense 1
bookish, hard-working, efficient.
Sense 2
undivided, productive, wonky, enthusiastic, Overworked.
industrious
industrious, studious, laborious.
purposeful
active (adjective)
all (adjective)
persevering.
attentive (adjective)
responsible, cautious, careful, mindful, attentive, Concentrating, absorbed, watchful, Hearkening, Considering, Scrutinizing, enraptured, entranced, regardful, rapt, Immersed, vigilant, observing, fascinated, interested, sharp, heedful, intent, concerned, engrossed, observant, alert.
fastidious (adjective)
flawless, hypercritical, methodical, critical, finicky, conscientious, Qualmish, perspicacious, persnickety, careful, fussy, rigorous, dainty, squeamish, discerning, correct, discriminating, severe, epicurean, delicate, accurate, prudish, demanding, priggish, proper, punctilious, picky, prim, mincing, particular, meticulous, scrupulous, precise, literal, choosy, fastidious, exacting.
hardworking (adjective)
persevering, hard-working (adjective)
laborious, active, constant, industrious, sedulous, assiduous, persistent, conscientious, steadfast, indefatigable, attentive, untiring, tireless, busy, careful, studious, unflagging, earnest, occupied.
resolute (adjective)
insistent, unshakeable, iron-willed, steadfast, reliable, unwavering, unchangeable, resolute, bold, decided, staunch, true, courageous, implacable, zealous, persistent, plucky, indefatigable, loyal, deliberate, strong-willed, stern, unflinching, inexorable, resolved, strong-minded, constant, committed, indomitable, dauntless, unyielding, persevering, spunky, set, earnest, uncompromising, steady, tireless, bullheaded, thorough, headstrong, decisive, tough, intent, willing, fearless, determined, relentless, valiant, hearty, steely, firm, dogged, dedicated, serious, stubborn, devoted, unbending, ruthless, tenacious, faithful.
tenacious (adjective)
courageous, bold, devoted, hearty, staunch, resolute, indefatigable, tough, plucky, flintlike, fervent, persistent, faithful, tireless, unflagging, undaunted, determined, spunky, obdurate, enduring, headstrong, bullheaded, dauntless, brave, stony, decisive, stiff, strong, tenacious, persevering, insistent, indomitable, stubborn, strong-willed, true, dogged, hard, bulldogged, obstinate, steadfast.
untiring (adjective)
vigilant (adjective)
attentive, strict, sharp-eyed, careful, regardful, thoughtful, prepared, finical, watchful, particular, ready, scrupulous, fussy, precise, observant, responsible, thorough, conscientious, provident, alert, mindful, exacting, guarded, heedful, vigilant, meticulous, fastidious, prudent, cautious.
Sense 2 (noun)
studious.
diligent (noun)
patient, industrious, hardworking, persevering, sedulous, assiduous, tireless, untiring.
industrious (noun)
hard-working, studious.
intensified (verb)
Usage examples for diligent:
- I had no copy of the Evening Post of the preceding day in the house, and a diligent inquiry at all the news- stands in the remote quarter of Brooklyn in which I then lived, failed to discover one. - "Recollections of a Varied Life", George Cary Eggleston.
- Weel, the hand o' the diligent maketh rich, ye ken." - "Alec Forbes of Howglen", George MacDonald.
- The Catholic priests are diligent, and make a large number of converts every year, and the Catholic population is added to by the number of Irish and German emigrants to the West, who are almost all of them of the Catholic persuasion. - "Diary in America, Series One", Frederick Marryat (AKA Captain Marryat).