01 a. Not sentient; not having perception, or the power of perception; devoid of feeling, consciousness and animation; inanimate; as, insentient …
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1.
Not sentient; not having perception, or the power of perception; devoid of feeling, consciousness and animation; inanimate; as, insentient stone. Opposite of sentient.“The . . . attributes of an insentient, inert substance.” — Reid.“But there can be nothing like to this sensation in the rose, because it is insentient.” — Sir W. Hamilton.
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2.
incapable of sensation.
Syn.
inanimate, insensate. — Syn. -- insensate, insensible.