Insane, in-sān′, adj. not sane or of sound mind: crazy: mad: utterly unwise: senseless: causing insanity—(Shak.) 'insane root,' prob. hemlock or henbane.—adv. Insane′ly.—ns. Insane′ness, insanity: madness; Insa′nie (Shak.) insanity; Insan′ity, want of sanity: an alteration in all or any of the functions of the brain, unfitting a man for affairs, and rendering him dangerous to himself and others: madness.
Insanitary, in-san′i-ta-ri, adj. not sanitary.—n. Insanitā′tion, want of proper sanitary arrangements.
Insatiable, in-sā′shi-a-bl, Insatiate, in-sā′shi-āt, adj. that cannot be satiated or satisfied.—ns. Insā′tiableness, Insatiabil′ity, Insatī′ety.—adv. Insā′tiably.
Inscient, in′shi-ent, adj. not knowing, ignorant: knowing. [Fr.,—L. in, not, sciens, scīre, to know; in the sense of knowing, prefix in- is intens.]
Inscribe, in-skrīb′, v.t. to write upon: to engrave, as on a monument: to put (a person's name) in a book, by way of compliment: to imprint deeply: (geom.) to draw one figure within another.—adj. Inscrīb′able.—ns. Inscrīb′er; Inscrip′tion, a writing upon: that which is inscribed: title: dedication of a book to a person: the name given to records inscribed on stone, metal, clay, &c.—adjs. Inscrip′tional, Inscrip′tive, bearing an inscription: of the character of an inscription. [Fr.,—L. inscribĕre, inscriptum—in, upon, scribĕre, to write.]
Inscroll, in-skrōl′, v.t. (Shak.) to write on a scroll.
Inscrutable, in-skrōōt′a-bl, adj. that cannot be scrutinised or searched into and understood: inexplicable.—ns. Inscrutabil′ity, Inscrut′ableness.—adv. Inscrut′ably. [L. inscrutabilis—in, not, scrutāri, to search into.]
Insculp, in-skulp′, v.t. (Shak.) to engrave, to cut or carve upon.—n. Insculp′ture (Shak.), anything engraved. [L. insculpĕre—in, in, sculpĕre, to carve.]
Insect, in′sekt, n. a word loosely used for a small creature, as a wasp or fly, with a body as if cut in the middle, or divided into sections: (zool.) an arthropod, usually winged in adult life, breathing air by means of tracheæ, and having frequently a metamorphosis in the life-history.—adj. like an insect: small: mean.—ns. Insectār′ium, a place where a collection of living insects is kept; Insec′ticide, act of killing insects.—adjs. Insec′tiform, Insec′tile, having the nature of an insect.—ns. Insec′tifuge, a substance which protects against insects; Insec′tion, an incision; In′sect-net, a light hand-net for catching insects; In′sect-pow′der, a dry powder used for stupefying and killing fleas and other insects, an insecticide or insectifuge. [Fr.,—L. insectum, pa.p. of insecāre—in, into, secāre, to cut.]
Insectivora, in-sek-tiv′or-a, n. an order of mammals, mostly terrestrial, nocturnal in habit, and small in size—shrews, moles, hedgehogs, &c.—adj. Insectiv′orous, living on insects. [L. insectum, an insect, vorāre, to devour.]