8 entries under informality topic. ×

17
bye(expression, idiom, farewell, interjection, noun)
16
cheerio(farewell, expression, idiom, noun, parting)
12
sayonara(farewell, expression, idiom, interjection, parting)
7
ciao(farewell, informal, parting, departure, expression)
6
cheery-bye(expression, idiom, farewell, slang, interjection)
4
ta-ta(noun, interjection, farewell, parting, goodbye)
2
toodle-oo(interjection, departure, farewell, parting)
0
see you tomorrow(interjection, farewell, parting)
10 years ago|1.8k views|share |citing 
APASmart Define. (2016). bye-bye thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/bye-bye/thesaurus/synonyms
ChicagoSmart Define. 2016. "bye-bye thesaurus" https://smartdefine.org/bye-bye/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, bye-bye thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/bye-bye/thesaurus/synonyms>.
MLASmart Define. "bye-bye thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/bye-bye/thesaurus/synonyms>