INALTERABILITY
In*al`ter*a*bil"i*ty, n. Etym: [Cf. F. inaltérabilité.]

Defn: The quality of being unalterable or unchangeable; permanence.

INALTERABLE In*al"ter*a*ble, a. Etym: [Pref. in- not + alterable: cf. F. inaltérable.]

Defn: Not alterable; incapable of being altered or changed;
unalterable.
— In*al"ter*a*ble*ness, n.
— In*al"ter*a*bly, adv.

INAMIABLE
In*a"mi*a*ble, a.

Defn: Unamiable. [Obs.] — In*a"mi*a*ble*ness, n. [Obs.]

INAMISSIBLE
In`a*mis"si*ble, a. Etym: [L. inamissibilis: cf. F. inamissible.]

Defn: Incapable of being lost. [R.] Hammond.
— In`a*mis"si*ble*ness, n. [R.]

INAMORATA In*a`mo*ra"ta, n. Etym: [It. innamorata, fem., innamorato, masc., p. p. of innamorare to inspire with love. See Enamor.]

Defn: A woman in love; a mistress. "The fair inamorata." Sherburne.