| 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 |