8 entries under informal topic. ×

17
bye(expression, idiom, farewell, interjection, noun)
10
so long(expression, idiom, farewell, farewell remark)
7
ciao(farewell, parting, departure, expression)
5
see you(expression, idiom, farewell, farewell remark)
3
toodeloo(expression, idiom, farewell)
2
catch you later(expression, idiom, farewell)
2
ta ta(expression, idiom, farewell)
1
tatty bye
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APASmart Define. (2016). bye-bye thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/bye-bye/thesaurus/synonyms
ChicagoSmart Define. 2016. "bye-bye thesaurus" https://smartdefine.org/bye-bye/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, bye-bye thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/bye-bye/thesaurus/synonyms>.
MLASmart Define. "bye-bye thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/bye-bye/thesaurus/synonyms>