Thesaurus

abhorrent, abominable, abusive, acerb, acerbic, acid, acrid, afflictive, aggressive, annihilating, antagonistic, antipathetic, antipathetical, antipersonnel, assaultive, assertive, at loggerheads, atrocious, attacking, awful, bad, battleful, beastly, bellicose, belligerent, bitter, black, blistering, brackish, bruising, calumniatory, calumnious, catastrophic, caustic, charnel, combative, competitive, contemptuous, contumelious, corruptive, counterproductive, creepy, damaging, dark, defamatory, deleterious, demonic, denigrating, denigrative, denigratory, derisive, despicable, destructive, detestable, detrimental, devastating, devilish, diabolic, diabolical, dirty, disadvantageous, discourteous, disdainful, disgustful, disgusting, displeasing, disrespectful, distasteful, dour, dreadful, dysphemistic, embarrassing, evil, evil-minded, execrable, fiendish, flagitious, flip, forbidding, foul, ghastly, ghoulish, gibelike, god-awful, grievous, grim, hard-hitting, harmful, harsh, hateful, head-on, heinous, hellish, hideous, high-pressure, hit-and-run, horrid, horrific, hostile, hot, hurtful, ill, ill-natured, immodest, immoral, impious, impudent, in-your-face, incursive, inedible, infernal, inimical, injurious, insalubrious, insidious, insolent, insubstantial, insulting, invading, invasive, irreverent, jeering, jejune, libellous, libelous, loathly, loathsome, malign, marauding, mephistophelean, mephistophelian, militant, mischievous, mocking, monstrous, morbid, mortifying, nasty, nauseating, nauseous, nocent, noisome, noxious, objectionable, obnoxious, obscene, obstreperous, odious, odoriferous, offending, offensive, on the offensive, opponent, opposing, opprobrious, outrageous, painful, pernicious, perversive, pestiferous, predatory, prejudicial, prejudicious, pugnacious, queasy, raiding, rank, rapacious, raptorial, ravening, rebarbative, repellant, repellent, repelling, repugnant, repulsive, revolting, rich, rough, ruinous, sarcastic, satanic, scornful, scrappy, scrimy, scurrilous, self-asserting, self-assertive, sepulchral, sharp, sharp-worded, sickening, sinister, sinning, skanky, slanderous, slimy, snotty-nosed, sore, stabbing, subtle, sulfurous, sulphurous, tart, tasteless, taunting, tip-and-run, toxic, truculent, ugly, unappetising, unappetizing, undeferential, undesirable, undutiful, uneatable, unfriendly, ungrateful, unhappy, unhealthful, unhealthy, unholy, unlovable, unpalatable, unpeaceful, unpleasant, unrighteous, unsavory, unsavoury, unsound, unwholesome, unworthy, venomous, verminous, vile, violative, violent, virulent, vitriolic, vulturine, vulturous, wicked, withering, worthless, wounding, wretched, wrong, yucky

offensive is a ADJ.

offence, offense, offensive

offensive is a NOUN.