What is another word for "senseless"?

Roget's Thesaurus (1911) lists these synonyms for "senseless": absurd, absurdity, absurdness, agent, alogy, anaesthesia, anaesthetic, anaesthetize, anticlimax, bathos, benumb, blunder, blunt, boutade, bull, callous, case, chloral, chloroform, coma, comatose, contradictory, dead, delusion, disorder, dull, egregious, escapade, ether, exaggeration, exhilarating, extravagance, extravagant, fantastic, farce, farrago, fool, foolish, fustian, gas.