n. 25B6; exclamation FAREWELL, adieu, au revoir, ciao, auf Wiedersehen, adios; Austral./NZ hooray; informal bye, bye-bye, so long, see you (later), later(s); Brit. informal cheers, cheerio, ta-ta; N. English informal ta-ra; informal, dated toodle-oo, toodle-pip.
GOODBYE
Meaning of GOODBYE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012