Word of the Day: Obnoxious

from The New Oxford American Dictionary:
obnoxious |əbˈnɑkʃəs|
adjective
extremely unpleasant.
DERIVATIVES
obnoxiously |əbˈnɑkʃəsli| adverb
obnoxiousness |əbˈnɑkʃəsnəs| noun
ORIGIN late 16th cent. (in the sense [vulnerable [to harm]] ): from Latin obnoxiosus, from obnoxius ‘exposed to harm,’ from ob- ‘toward’ + noxa ‘harm.’ The current sense, influenced by noxious , dates from the late 17th cent.
obnoxious
adjective
1 the gasoline-powered pump made an obnoxious racket unpleasant, disagreeable, nasty, distasteful, offensive, objectionable, unsavory, unpalatable, off-putting, awful, terrible, dreadful, frightful, revolting, repulsive, repellent, repugnant, disgusting, odious, vile, foul, abhorrent, loathsome, nauseating, sickening, hateful, insufferable, intolerable, detestable, abominable, despicable, contemptible; informal horrible, horrid, ghastly, gross, putrid, yucky, godawful, beastly, skanky; literary noisome. antonym delightful, fragrant.
2 I prayed I could express myself without being obnoxious annoying, tiresome, irritating; overbearing, bumptious; unpleasant, nasty; informal bratty, pesky. antonym pleasant, charming.