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Definition of onerous
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Word of the Day
perfunctory
Definition: (adjective) unenthusiastic, routine, or mechanical.
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< one-piece
oneself >
on·er·ous
(
n
r-
s,
n
r-)
KEY
ADJECTIVE:
Troublesome or oppressive; burdensome. See Synonyms at
burdensome
.
Law
Entailing obligations that exceed advantages.
ETYMOLOGY:
Middle English, from Old French
onereus
, from Latin
oner
sus
, from
onus
, oner-
,
burden
OTHER FORMS:
on
er·ous·ly
(Adverb)
,
on
er·ous·ness
(Noun)
Thesaurus: synonyms for onerous
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