Find Antonyms

onerous Antonyms

Opposite of onerous

Because the opposite of onerous shifts with each meaning, the 12 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Involving an amount of effort and difficulty that is oppressively burdensome (of a task, duty, or responsibility).

Usage Example

"The committee found the new reporting requirements too effortless for small businesses to manage."

Strongest
effortless
unburdensome
easy
undemanding
Strong
light
painless
simple
manageable

• adjective (Context 2)

Involving obligations or responsibilities that outweigh the advantages (in law, of a contract, lease, or property).

Usage Example

"The liquidator disclaimed the gratuitous lease because the maintenance obligations far exceeded the value of the premises."

Strongest
gratuitous
Strong
beneficial
advantageous
lucrative

Similar words to onerous

Words similar to onerous shift depending on context. Common synonyms include:

burdensome
taxing
arduous
demanding
oppressive
encumbering
exacting
laborious
See all synonyms of onerous

• Nearby Words

oncoming
one
oneness
onerous
onetime
ongoing
onionskin

Cite this Entry

Wordmom. (2026). Antonyms for Onerous. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/onerous
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