SENSELESS

nitwitted, senseless, soft-witted, witless

(adjective) (of especially persons) lacking sense or understanding or judgment

insensible, senseless, out of it

(adjective) unresponsive to stimulation; “he lay insensible where he had fallen”; “drugged and senseless”

mindless, reasonless, senseless

(adjective) not marked by the use of reason; “mindless violence”; “reasonless hostility”; “a senseless act”

otiose, pointless, purposeless, senseless, superfluous, wasted

(adjective) serving no useful purpose; having no excuse for being; “otiose lines in a play”; “advice is wasted words”; “a pointless remark”; “a life essentially purposeless”; “senseless violence”

Source: WordNet® 3.1

Etymology

Adjective

senseless (comparative more senseless, superlative most senseless)

Without feeling or consciousness; deprived of sensation

Synonyms: unconscious, insensible

Lacking meaning or purpose; without common sense

Synonyms: pointless, meaningless

Without consideration, awareness or sound judgement

Synonyms: unreasonable, unwise, stupid

Source: Wiktionary

Sense"less, a.

Definition: Destitute of, deficient in, or contrary to, sense; without sensibility or feeling; unconscious; stupid; foolish; unwise; unreasonable. You blocks, you stones, you worse than senseless things. Shak. The ears are senseless that should give us hearing. Shak. The senseless grave feels not your pious sorrows. Rowe. They were a senseless, stupid race. Swift. They would repent this their senseless perverseness when it would be too late. Clarendon. --- Sense"less*ly, adv.

– Sense"less*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition