Meaning & use
onerous
Last updated
Involving a great deal of effort, trouble, or responsibility; burdensome.
See it in a sentence
Filing the paperwork for the merger was an onerous task.
The new regulations placed an onerous burden on small businesses.
A note on using this word
Commonly used to describe duties, tasks, or legal obligations rather than physical weight.
Words with a similar meaning
burdensometaxing
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
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