irritate, v. [intensify], [stimulate]; [provoke], [vex], [annoy], [offend], [chafe].

isinglass, n. fishglue, ichthyocol, ichthyocolla; mica; carlock.

island, n. isle, eyot, holm, islet; atoll. Associated words: insular, insularity, archipelago, lagoon, [coral], maroon, marooner.

isolate, v. insulate, segregate, dissociate, [detach], [separate].

isolated, a. insulated, [separate], [solitary], segregated, [sporadic].

isolation, n. insulation, segregation; loneliness, [solitude].

issue, v. [gush], disembogue; sally forth, debouch; proceed, emanate, ensue, [follow], [result].

Italian laborers. Associated word: padrone.

Italian paste. macaroni, vermicelli.

itch, n. psora, scabies; prurigo; sycosis ([barber's itch]); [eczema]; pruriency.