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Main Entry:
onerous [on-er-uhs, oh-ner-]
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
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