8 entries under regret topic. ×

29
regretful(adjective, sad, unhappy, sorrowful, sorry)
28
sorry(adjective, sad, unhappy, sorrowful)
26
remorseful(adjective, sad, unhappy, sorrowful, sorry)
26
repentant(adjective, sad, unhappy, sorrowful, sorry)
23
contrite(adjective, sad, unhappy, sorrowful, sorry)
21
apologetic(adjective, sad, unhappy, sorrowful, sorry)
10
penitential(adjective, sad, unhappy, sorrowful)
8
compunctious(adjective, sad, unhappy, sorrowful, sorry)
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APASmart Define. (2015). penitent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/penitent/thesaurus/synonyms
ChicagoSmart Define. 2015. "penitent thesaurus" https://smartdefine.org/penitent/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, penitent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/penitent/thesaurus/synonyms>.
MLASmart Define. "penitent thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/penitent/thesaurus/synonyms>