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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | difficult; requiring hard labor |
| Synonyms: | arduous, austere, backbreaking, burdensome, crushing, cumbersome, demanding, difficult, distressing, embittering, exacting, excessive, exhausting, exigent, fatiguing, formidable, galling, grave, grinding, grueling, hard*, harsh, headache, heavy*, intolerable, irksome, laborious, merciless, oppressive, overpowering, overtaxing, painful, plodding, ponderous, pressing, responsible, rigorous, serious, severe, strenuous, taxing, tiresome, tiring, toilsome, troublesome, vexatious, weighty |
| Antonyms: | common, easy, light, trivial |
* = informal/non-formal usage
| 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 |
| Main Entry: | severe |
| Part of Speech: | adjective |
| Definition: | difficult, harsh |
| Synonyms: | acute, arduous, ascetic, austere, bitter, bleak, consequential, critical, dangerous, dear, demanding, despotic, distressing, domineering, drastic, effortful, exacting, extreme, fierce, forbidding, grave, grim, grinding, hard, heavy, hefty, implacable, inclement, intemperate, intense, mordant, oppressive, overbearing, pitiless, punishing, rigorous, rugged, serious, sharp, sore, strenuous, stringent, taxing, toilsome, tough, tyrannical, unpleasant, unrelenting, violent, weighty, wicked |
| Antonyms: | calm, easy, facile, mild, temperate |
| Main Entry: | sticky |
| Part of Speech: | adjective |
| Definition: | difficult, embarrassing |
| Synonyms: | awkward, delicate, discomforting, formidable, hairy*, hard, heavy*, knotty, laborious, nasty, operose, painful, rough, rugged, strenuous, thorny, tricky, unpleasant |
| Antonyms: | easy, facile, pleasant |
* = informal/non-formal usage
| Main Entry: | tireless |
| Part of Speech: | adjective |
| Definition: | determined |
| Synonyms: | active, ball of fire, eager, energetic, enthusiastic, grind, hard-working, hyper, incessant, indefatigable, industrious, jumping, on the go, perky, persevering, resolute, steadfast, strenuous, unflagging, untiring, unwearied, unwearying, vigorous |
| Antonyms: | beat, tired, unenthusiastic, weary, worn out |
| Main Entry: | tiresome |
| Part of Speech: | adjective |
| Definition: | irritating, exasperating |
| Synonyms: | a bit much, annoying, arduous, boresome, boring, burdensome, demanding, difficult, drag, dragging, drudging, dull, enervative, exacting, exhausting, fatiguing, flat, hard, heavy, hefty, ho-hum, humdrum, irksome, jading, laborious, monotonous, nowhere, onerous, oppressive, strenuous, tedious, tired, tiring, too much*, tough, trying, uncool, uninteresting, unrelieved, vexatious, wearing, wearisome, wearying, yawn |
| Antonyms: | easy, facile, fun, nice, stimulating |
* = informal/non-formal usage
| Main Entry: | toilsome |
| Part of Speech: | adjective |
| Definition: | laborious |
| Synonyms: | arduous, backbreaking, burdensome, demanding, difficult, exhausting, hard, labored, onerous, operose, rough, strenuous, taxing, tiresome, uphill |
| Main Entry: | tough |
| Part of Speech: | adjective |
| Definition: | difficult, laborious |
| Synonyms: | arduous, backbreaking, baffling, burdensome, demanding, effortful, exacting, exhausting, exigent, grievous, hairy*, handful, hard, heavy, intractable, intricate, irksome, knotty, labored, mean, no piece of cake, onerous, oppressive, perplexing, puzzling, resisting, severe, stiff, strenuous, taxing, thorny, toilsome, troublesome, trying, unyielding, uphill, weighty, wicked |
| Antonyms: | controllable, easy, facile |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
