The definition of obnoxious is someone or something that is very annoying or offensive.(adjective)
An example of obnoxious is an upstairs neighbor listening to extremely loud music at two o'clock in the morning.
See obnoxious in Webster's New World College Dictionary
Origin: L obnoxiosus < obnoxius, subject or exposed to danger < ob- (see ob-) + noxa, harm < base of nocere, to hurt: see necro-
See obnoxious in American Heritage Dictionary 4
Origin: Latin obnoxiōsus, subordinate
Origin: , from obnoxius, subject, liable
Origin: : ob-, to; see ob-
Origin: + noxa, injury; see nek-1 in Indo-European roots.
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