1. SYN: unconscious. 2. Not appreciable by the senses. [L. in-sensibilis, fr. in, neg. + sentio, pp. sensus, to feel]
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1) incapable or bereft of feeling or sensation: as
a) UNCONSCIOUS <knocked \insensible by a sudden blow>
b) lacking sensory perception or ability to react <\insensible to pain>
c) lacking emotional response: APATHETIC
2) not perceived by the senses <\insensible perspiration>
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in·sen·si·ble (in-senґsĭ-bəl) [in-2 + sensible] 1. not appreciable by or perceptible to the senses. 2. devoid of consciousness or of sensibility.Medical dictionary. 2011.