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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | burdensome |
| Synonyms: | arduous, backbreaking, demanding, difficult, hard, heavy, labored, laborious, onerous, oppressive, rigorous, rough, severe, strained, strenuous, taxing, tough, trying |
| Main Entry: | formidable |
| Part of Speech: | adjective |
| Definition: | difficult, overwhelming |
| Synonyms: | all-powerful, arduous, awesome, ballbuster, challenging, colossal, dismaying, effortful, great, hard, impressive, indomitable, intimidating, labored, laborious, mammoth, mighty, murder*, onerous, overpowering, powerful, puissant, rough go, rough*, staggering, strenuous, tall order, toilsome, tough proposition, tough*, tremendous, uphill |
| Antonyms: | easy, not hard, pleasant, trivial |
* = 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: | heavy |
| Part of Speech: | adjective |
| Definition: | difficult, severe |
| Synonyms: | abstruse, acroamatic, arduous, boisterous, burdensome, complex, complicated, confused, effortful, esoteric, formidable, grave, grievous, hard, harsh, intolerable, knotty, labored, laborious, onerous, oppressive, profound, recondite, rough, serious, solemn, stormy, strenuous, tedious, tempestuous, toilsome, tough, troublesome, turbulent, vexatious, violent, wearisome, weighty, wild |
| Antonyms: | easy, inconsequential, insignificant, trivial, unimportant |
| Main Entry: | knotty |
| Part of Speech: | adjective |
| Definition: | troublesome |
| Synonyms: | Gordian, baffling, complex, complicated, difficult, effortful, elaborate, formidable, hard, intricate, involved, labyrinthine, mazy, mystifying, nodulous, perplexing, problematical, puzzling, ramified, reticular, rough, rugged, sophisticated, sticky*, terrible, thorny, tough, tricky, uphill |
| Antonyms: | simple, uncomplicated, untroublesome |
* = 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: | 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: | strenuous |
| Part of Speech: | adjective |
| Definition: | difficult; requiring hard work |
| Synonyms: | Herculean, arduous, demanding, effortful, energy-consuming, exhausting, hard, laborious, mean, operose, taxing, toilful, toilsome, tough, tough going, uphill, wicked |
| Antonyms: | easy, effortless, facile |
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.
