How do you spell Obnoxious

Available Definitions:
1)  a. - Subject; liable; exposed; answerable; amenable; -- with to.
2)  a. - Liable to censure; exposed to punishment; reprehensible; blameworthy.
3)  a. - Offensive; odious; hateful; as, an obnoxious statesman; a minister obnoxious to the Whigs.