D defs.my
Entry 1 sense Webster, 1913

Adios

/(ä`dyō̇s")/ · A·dios · IPA /ˌɑ.diˈoʊs/
01 interj. Adieu; farewell; good-by; -- chiefly used among Spanish-speaking people; as, adios amigos (good-bye friends).
  1. 1.
    Adieu; farewell; good-by; -- chiefly used among Spanish-speaking people; as, adios amigos (good-bye friends).