7
too bad(expression, adjective, idiom)
6
afflictive(adjective, wrong, sad, sorrow, depression)
6
dire(adjective, wrong, terrible, miserable, wretched)
6
dismal(adjective, sad, sorrow, depression, woe)
6
joyless(adjective, sad, dark, sorrow, depression)
6
pitiable(adjective, wrong, unfortunate)
6
plaintive(adjective, sad, dark, sorrow, depression)
6
sorry(adjective, sad, dark, sorrow, depression)
6
terrible(adjective, awful, cheap, dreadful, worthless)
6
upsetting(adjective, weak, thin, inadequate, cheap)
6
wretched(adjective, bad, poor, miserable, awkward)
5
comfortless(adjective, sad, dark, sorrow, depression)
5
doleful(adjective, happy, sad, sorrow, depression)
5
heartbreaking(adjective, wrong, awful, terrible, wretched)
5
rotten(adjective, bad, inferior, inadequate, cheap)
5
tragic(adjective, sad, sorrow, depression, woe)
5
unlucky(adjective, bad, negative, inappropriate, unsuccessful)
4
devastating(adjective, sad, dark, sorrow, depression)
4
execrable
4
piteous
11 years ago|9.1k views|share |citing 
APASmart Define. (2015). regrettable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/regrettable/thesaurus/synonyms
ChicagoSmart Define. 2015. "regrettable thesaurus" https://smartdefine.org/regrettable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, regrettable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/regrettable/thesaurus/synonyms>.
MLASmart Define. "regrettable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/regrettable/thesaurus/synonyms>