onerousadjective
uk/ˈəʊ.nər.əs/us/ˈɑː.nɚ.əs/formaldifficult to do or needing a lot of effort:
the onerous task of finding a peaceful solution
She found the duties of motherhood onerous.
Thesaurus: synonyms and related words
Complicated and difficult to do
- advanced
- ambitious
- another
- arduous
- as much as you can do idiom
- fiddly
- fiendish
- fierce
- formidable
- get blood out of/from a stone idiom
- murky
- picnic
- problematic
- punishing
- rigorous
- schlep
- uphill
- vexed
- wearing
- wearying
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onerousness
noun [ U ] uk/ˈəʊ.nər.əs.nəs/us/ˈɑː.nɚ.əs.nəs/