follow Dictionary.com

Stories We Like: Novels For Language Lovers

onerous

[on-er-uh s, oh-ner-] /ˈɒn ər əs, ˈoʊ nər-/
adjective
1.
burdensome, oppressive, or troublesome; causing hardship:
onerous duties.
2.
having or involving obligations or responsibilities, especially legal ones, that outweigh the advantages:
an onerous agreement.
Origin
1350-1400
1350-1400; Middle English < Latin onerōsus, equivalent to oner- (stem of onus) burden + -ōsus -ous
Related forms
onerously, adverb
onerousness, onerosity
[oh-nuh-ros-i-tee] /ˌoʊ nəˈrɒs ɪ ti/ (Show IPA),
noun
nononerous, adjective
nononerously, adverb
nononerousness, noun
unonerous, adjective
unonerously, adverb
unonerousness, noun
Synonyms
1. heavy, crushing, grievous; irksome, galling.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for un-onerous

onerous

/ˈɒnərəs; ˈəʊ-/
adjective
1.
laborious or oppressive
2.
(law) (of a contract, lease, etc) having or involving burdens or obligations that counterbalance or outweigh the advantages
Derived Forms
onerously, adverb
onerousness, noun
Word Origin
C14: from Latin onerōsus burdensome, from onus load
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for un-onerous

onerous

adj.

late 14c., from Old French onereus, honereus (14c., Modern French onéreux) and directly from Latin onerosus, from onus (genitive oneris) "burden" (see onus).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for onerous

Some English speakers likely know this word

Word Value for un

2
4
Scrabble Words With Friends

Quotes with un-onerous

Nearby words for un-onerous