We found 27 dictionaries that define the word goodbye:

General (23 matching dictionaries)

1. goodbye: Merriam-Webster.com
2. goodbye: Oxford Learner's Dictionaries
3. goodbye: American Heritage Dictionary of the English Language
4. goodbye: Collins English Dictionary
5. goodbye: Vocabulary.com
6. goodbye: Cambridge Advanced Learner's Dictionary
7. goodbye: Wiktionary
8. goodbye: Webster's New World College Dictionary, 4th Ed.
9. Goodbye, goodbye: Dictionary.com
10. goodbye: Cambridge Essential American English Dictionary
11. Goodbye (Air Supply song), Goodbye (Army of Anyone song), Goodbye (Astrid Goodbye), Goodbye (Billie Eilish song), Goodbye (Billie Eilish song)(version 2), Goodbye (Cream album), Goodbye (Def Leppard song), Goodbye (Dubstar album), Goodbye (Echosmith song), Goodbye (Elton John song), Goodbye (Feder song), Goodbye (Gene Ammons album), Goodbye (Glee), Goodbye (Gordon Jenkins song), Goodbye (Grey's Anatomy), Goodbye (Kristinia DeBarge song), Goodbye (Mary Hopkin song), Goodbye (Milt Jackson album), Goodbye (Night Ranger song), Goodbye (Shelter), Goodbye (Shila Amzah song), Goodbye (Slaughterhouse song), Goodbye (Slipknot song), Goodbye (Tevin Campbell song), Goodbye (The Corrs song), Goodbye (The Czars album), Goodbye (The Humans song), Goodbye (The Practice), Goodbye (Ulrich Schnauss album), Goodbye: Wikipedia, the Free Encyclopedia
12. goodbye: Rhymezone
13. goodbye: AllWords.com Multi-Lingual Dictionary
14. goodbye: Free Dictionary
15. goodbye: Mnemonic Dictionary
16. goodbye: LookWAYup Translating Dictionary/Thesaurus
17. goodbye, goodbye: Dictionary/thesaurus
18. goodbye: Wikimedia Commons US English Pronunciations
19. Goodbye: Wordnik
20. Goodbye (Spice Girls song): Wikipedia, the Free Encyclopedia
21. goodbye: Wordnik

Computing (1 matching dictionary)

22. goodbye: Encyclopedia

Miscellaneous (2 matching dictionaries)

23. GOODBYE: Acronym Finder
24. goodbye: Idioms

Slang (1 matching dictionary)

25. goodbye: Urban Dictionary

(Note: See goodbyes as well.)

Definitions from Wiktionary ( ) ▸ noun:  An utterance of goodbye, the wishing of farewell to someone. ▸ verb:  To say goodbye; to wish somebody farewell on parting. Similar: sayonara, good-bye, bye-bye, adieu, adios, arrivederci, bye, cheerio, Goodby, au revoir, more... Opposite: hello, hi, howdy, hiya, hi there, howdy do Types: farewell, adieu, see you later, take care, hastlvista, so long, bye-bye, au revoir, more... Phrases: say goodbye, saying goodbye, wave goodbye, kiss goodbye, goodbye kiss, more... Adjectives: last, final, long, quick, tearful, proper, sad, hasty, silent, hurried, friendly Colors:     blue,     gray,     black,     white,     silver,     gold,     purple,     lavender,     indigo,     teal ▸ Words similar to goodbye ▸ Usage examples for goodbye ▸ Idioms related to goodbye ▸ Wikipedia articles (New!) ▸ Popular adjectives describing goodbye ▸ Words that often appear near goodbye ▸ Rhymes of goodbye ▸ Invented words related to goodbye