Onerous meaning

ŏnər-əs, ōnər-
Entailing more liabilities than benefits or imposing significant obligations.
adjective
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Involving a legal obligation that equals or exceeds the benefits.

Onerous lease.

adjective
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Burdensome; laborious.
adjective
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1
Imposing or constituting a physical, mental, or figurative load which can be borne only with effort.
adjective
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The definition of onerous is something hard to do, or troublesome.

An example of onerous is telling someone you betrayed them.

adjective
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Troublesome or oppressive; burdensome.
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Origin of onerous

  • Middle English from Old French onereus from Latin onerōsus from onus oner- burden

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin onerosus (“burdensome"), from onus (“load").

    From Wiktionary