174 entries under adjective topic. ×

1
cynical
1
disciplinary(strong, hard, tough, severe)
1
dissociable
1
dyed-in-the-wool(strong, hard, tough, severe)
1
flinty(strong, hard, tough, severe)
1
fretful
1
hang-tough(strong, hard, tough, severe)
1
hard-boiled(strong, hard, tough, severe)
1
hard-core(strong, hard, tough, severe)
1
hard-line(strong, hard, tough, severe)
1
hard-nosed(strong, hard, tough, severe)
1
hard-shell(strong, hard, tough, severe)
1
hardheaded(strong, hard, tough, severe)
1
implacable(strong, hard, tough, severe)
1
inexorable(strong, hard, tough, severe)
1
inflexible(strong, hard, tough, severe)
1
lamentable
1
louring
1
lurid
1
morbid(dull, gloomy, miserable)
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APASmart Define. (2015). frowning thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/frowning/thesaurus/synonyms
ChicagoSmart Define. 2015. "frowning thesaurus" https://smartdefine.org/frowning/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, frowning thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/frowning/thesaurus/synonyms>.
MLASmart Define. "frowning thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/frowning/thesaurus/synonyms>