Question

What's the meaning of obnoxious? Explain please.

Answer 1

extremely unpleasant.synonyms: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; Moreantonyms:delightful, fragrant, pleasant, charming

Answer 2

highly objectionable or offensive; odious:obnoxious behavior.

annoying or objectionable due to being a showoff or attracting undue attention to oneself: an obnoxious little brat.
Archaic. exposed or liable to harm, evil, or anything objectionable.

Obsolete. liable to punishment or censure; reprehensible.

Hope this helps :)