13
bye(expression, idiom, informal, farewell, interjection)
12
bye-bye(expression, idiom, farewell, noun, informal)
11
good day(expression, idiom, farewell, farewell remark, noun)
10
adieu(farewell, expression, idiom, noun, farewell remark)
10
see you soon(expression, idiom)
10
cheerio(farewell, noun, expression, idiom, farewell remark)
10
goodbye(farewell, expression, idiom, noun, farewell remark)
9
adios(farewell, noun, expression, idiom, farewell remark)
9
auf wiedersehen(expression, idiom, farewell, farewell remark, noun)
9
good-by(expression, idiom, farewell, farewell remark, noun)
8
good-bye(expression, idiom, farewell, farewell remark, noun)
8
goodby(expression, idiom, farewell, farewell remark, noun)
8
sayonara(expression, idiom, farewell, farewell remark, noun)
7
arrivederci(expression, idiom, farewell, farewell remark, noun)
6
au revoir(expression, idiom, farewell, noun, farewell remark)
6
farewell(noun, expression, idiom, departure, farewell remark)
6
all the best
5
see you(expression, informal, farewell, idiom, parting)
4
Ciao(informal, expression, idiom, farewell, noun)
4
catch you later(expression, informal, farewell, idiom, parting)
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APASmart Define. (2016). So long thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/so_long/thesaurus/synonyms
ChicagoSmart Define. 2016. "So long thesaurus" https://smartdefine.org/so_long/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, So long thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/so_long/thesaurus/synonyms>.
MLASmart Define. "So long thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/so_long/thesaurus/synonyms>