See senseless in Webster's New World Roget's A-Z Thesaurus II
adjective
Lacking rational direction or purpose:
meaningless, mindless, pointless, purposeless. Idiom: without rhyme or reason. See purposeDisplaying a complete lack of forethought and good sense:
brainless, fatuous, foolish, insensate, mindless, silly, unintelligent, weak-minded, witless. See ability, plannedLacking consciousness:
cold, insensible, unconscious. Idioms: out cold, out like a light. See awareness
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