| Main Entry: | |
| 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 |