Added 9 October 2026
onerous
/ˈɒnəɹəs/ adjective
In Latin: onerōsus Wiktionary
adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about onerous at Wordnik → Where our words come from →
- Imposing or constituting a physical, mental, or figurative load which can be borne only with effort; burdensome.
Origin
Inherited from Middle English onerous, borrowed from Middle French onereux, from Old French onereus, a learned borrowing from Latin onerosus, from onus (“burden”) + -ōsus. Compare exonerate.
From Wiktionary, via Kaikki.org (CC BY-SA)