30 entries under idiom topic. ×

20
adieu(farewell, expression, farewell remark, departure)
17
bye(expression, farewell, interjection, noun)
16
cheerio(farewell, expression, noun, parting)
12
farewell(expression, departure, farewell remark, noun)
12
sayonara(farewell, expression, interjection, parting)
12
adios(farewell, expression, departure, parting)
11
goodbye(noun, farewell, expression, farewell remark)
10
good-bye(farewell, expression, departure, parting)
10
so long(expression, farewell, informal, farewell remark)
10
good-by(expression, farewell, farewell remark, noun)
10
goodby(expression, farewell, farewell remark, noun)
9
auf wiedersehen(farewell, expression, departure, parting)
8
good day(expression, farewell, farewell remark, noun)
8
arrivederci(expression, farewell, farewell remark, noun)
7
au revoir(expression, farewell, noun, farewell remark)
7
ciao(farewell, informal, parting, departure, expression)
6
cheery-bye(expression, farewell, slang, interjection)
5
good night(expression, time, leave, farewell)
5
see you(expression, informal, farewell, farewell remark)
3
toodeloo(informal, expression, farewell)
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APASmart Define. (2016). bye-bye thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/bye-bye/thesaurus/synonyms
ChicagoSmart Define. 2016. "bye-bye thesaurus" https://smartdefine.org/bye-bye/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, bye-bye thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/bye-bye/thesaurus/synonyms>.
MLASmart Define. "bye-bye thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/bye-bye/thesaurus/synonyms>