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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | tedious |
| Synonyms: | arduous, diligent, hard, industrious, laborious |
| Main Entry: | diligent |
| Part of Speech: | adjective |
| Definition: | persevering, hard-working |
| Synonyms: | active, assiduous, attentive, busy, careful, conscientious, constant, eager, eager beaver, earnest, grind*, indefatigable, industrious, laborious, occupied, operose, painstaking, persistent, persisting, pertinacious, plugging, sedulous, steadfast, studious, tireless, unflagging, unrelenting, untiring |
| Antonyms: | inactive, indifferent, languid, lazy, lethargic, negligent |
* = informal/non-formal usage
| Main Entry: | hard |
| Part of Speech: | adjective |
| Definition: | difficult, exhausting |
| Synonyms: | Herculean, arduous, backbreaking, bothersome, burdensome, complicated, demanding, difficile, distressing, effortful, exacting, fatiguing, formidable, grinding, hairy*, heavy*, intricate, involved, irksome, knotty, labored, laborious, mean, merciless, murder, onerous, operose, rigorous, rough, rugged, scabrous, serious, severe, slavish, sticky, strenuous, terrible, tiring, toilful, toilsome, tough, troublesome, unsparing, uphill battle, uphill, wearing, wearisome, wearying |
| Antonyms: | easy, facile, mild, simple |
* = informal/non-formal usage
| Main Entry: | industrious |
| Part of Speech: | adjective |
| Definition: | hardworking |
| Synonyms: | active, assiduous, ball of fire, burning, busy, conscientious, diligent, dynamic, eager, energetic, grind*, in full swing, intent, involved, jumping, laborious, on the go, operose, perky*, persevering, persistent, plugging, productive, psyched up on, purposeful, sedulous, spirited, steady, tireless, zealous |
| Antonyms: | idle, inactive, indolent, lackadaisical, lazy, lethargic, slack, unemployed, unproductive |
* = informal/non-formal usage
| Main Entry: | labored |
| Part of Speech: | adjective |
| Definition: | difficult to understand, unclear |
| Synonyms: | affected, arduous, awkward, clumsy, contrived, effortful, forced, hard, heavy, inept, maladroit, operose, overdone, overwrought, ponderous, stiff, strained, strenuous, studied, toilsome, unnatural, uphill, weighty |
| Antonyms: | easy, facile, natural, relaxed |
| Main Entry: | laborious |
| Part of Speech: | adjective |
| Definition: | hard, difficult |
| Synonyms: | arduous, backbreaking, burdensome, effortful, fatiguing, forced, heavy, herculean, labored, onerous, operose, ponderous, rough go, stiff, strained, strenuous, tiresome, toilsome, tough, tough job, wearing, wearisome, wicked* |
| Antonyms: | easy, effortless, facile, simple, trivial |
* = informal/non-formal usage
| Main Entry: | laborious |
| Part of Speech: | adjective |
| Definition: | hardworking |
| Synonyms: | active, assiduous, diligent, indefatigable, industrious, operose, painstaking, persevering, sedulous, tireless, unflagging |
| Antonyms: | idle, lackadaisical, lazy, reticent |
| Main Entry: | rugged |
| Part of Speech: | adjective |
| Definition: | difficult, rigorous |
| Synonyms: | arduous, demanding, exacting, formidable, hairy*, hard, harsh, heavy sledding, heavy*, knotty, laborious, large order, mean, murder*, no picnic, operose, rough, stern, strenuous, taxing, tough, trying, uncompromising, uphill |
| Antonyms: | easy, facile |
* = informal/non-formal usage
| Main Entry: | serious |
| Part of Speech: | adjective |
| Definition: | crucial, weighty |
| Synonyms: | arduous, dangerous, deep, difficult, far-reaching, fateful, fell, formidable, grave, grievous, grim, hard, heavy, important, laborious, major, meaning business, meaningful, menacing, momentous, no joke, no laughing matter, of consequence, operose, out for blood, playing hard ball, pressing, severe, significant, smoking, sobering, strenuous, strictly business, threatening, tough, ugly, unamusing, unhumorous, urgent, worrying |
| Antonyms: | light, minor, trivial, unimportant, unserious |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
