1. (a.) Extremely annoying or objectionable; detestable; disagreeable\.

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.

abhorrent abject abominable arrant atrocious awful base beastly beggarly below contempt beneath contempt blameworthy brutal cheesy contemptible crude crummy debased degraded deplorable depraved despicable detestable dire dirty disgusting dreadful egregious enormous execrable exposed fetid filthy flagrant forbidding foul fulsome grave grievous gross hateful heinous horrible horrid ignoble infamous invidious lamentable little loathsome lousy low low-down lumpen malodorous mangy mean measly mephitic miasmal miasmic miserable monstrous nasty nauseating nefarious noisome notorious noxious objectionable obscene odious offensive open outrageous paltry petty pitiable pitiful poky poor prone rank rebarbative regrettable repellent reprehensible reptilian repugnant repulsive revolting revulsive rotten sad scabby scandalous schlock scrubby scruffy scummy scurvy sensitive shabby shameful shocking shoddy sickening small sordid squalid stinking subject susceptible terrible too bad unclean unmentionable vile villainous woeful worst worthless wretched