1
out of countenance(expression, idiom)
1
penitentiary
1
piteous(adjective, sad, mournful, grief-stricken)
1
pitying
1
plaintive(adjective, sad, unhappy, terrible, melancholy)
1
plangent
1
regrettable
1
repenting
1
self-condemning
1
self-convicting
1
self-debasing
1
self-flagellating
1
self-humiliating
1
self-punishing
1
self-reproachful(adjective, sad, unhappy, apologetic)
1
shame-faced
1
shamed
1
shamefast
1
sheepish
1
sore(adjective, sadness, morose, aloofness)
11 years ago|6.7k views|share |citing 
APASmart Define. (2015). regretful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/regretful/thesaurus/synonyms
ChicagoSmart Define. 2015. "regretful thesaurus" https://smartdefine.org/regretful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, regretful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/regretful/thesaurus/synonyms>.
MLASmart Define. "regretful thesaurus" 19 June 2015. Web. 27 September 2026. <https://smartdefine.org/regretful/thesaurus/synonyms>