Defn: Sleeplessness.

INSOMUCH
In`so*much", adv.

Defn: So; to such a degree; in such wise; — followed by that or as, and formerly sometimes by both. Cf. Inasmuch. Insomusch as that field is called . . . Aceldama. Acts i. 19. Simonides was an excellent poet, insomuch that he made his fortune by it. L'Estrange.

INSONOROUS
In`so*no"rous, a.

Defn: Not clear or melodious.

INSOOTH
In*sooth", adv.

Defn: In sooth; truly. [Archaic]

INSOUCIANCE
In`sou`ciance", n. Etym: [F.]

Defn: Carelessness; heedlessness; thoughtlessness; unconcern.

INSOUCIANT
In`sou`ciant", a. Etym: [F.]