onerous
WordReference English Thesaurus © 2025
Synonyms:
oppressive, burdensome, heavy Collocations, serious Collocations, demanding Collocations, troublesome, formidable, grinding Collocations, laborious, strenuous, tedious Collocations, tiresome Collocations, hard Collocations, arduous, plodding, grueling, cumbersome Collocations, weighty, rigorous, severe Collocations, vexatious, painful Collocations, crushing, taxing, tiring Collocations, grievous, difficult Collocations
Antonyms:
easy Collocations, light Collocations, trifling, trivial Collocations, effortless, easy Collocations, simple Collocations, easy-going Collocations, mild Collocations, calm Collocations, fluid Collocations, smooth Collocations, flowing Collocations, downhill, a walk in the park , a breeze , a doddle