Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: obnoxius, from noxa 'harm'

obnoxious

 adjective
     
ob‧nox‧ious
very offensive, unpleasant, or rude:
She's really obnoxious.
an obnoxious idea
obnoxious odours
—obnoxiously adverb
—obnoxiousness noun [uncountable]
WORD FOCUS: horrible WORD FOCUS: horrible
taste or smell: nasty, not very nice, revolting, disgusting, foul, unpleasant, gross informal
experience, situation, or feeling: nasty, not very nice, terrible, unpleasant
person: nasty, not very nice, obnoxious, mean American English, unpleasant, objectionable

➔ See also horrible
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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