1. (of a person) unconscious: "the attack left a policeman beaten senseless"Similarunconsciousout coldoutcoldstunnednumbnumbedinsensibleinsensatecomatoseknocked outout for the countinformal:KO'dkayoedlaid outdead to the worldout like a lightspark outrare:soporosesoporousOppositeconsciousaware
▪ incapable of sensation: "the latch was too tight for his stiff and senseless fingers"