Synonyms|380Antonyms|13|Broader|2Narrower|0Related|410

57 entries under strong topic. ×

7
grim(adjective, dull, hard, tough)
3
serious(adjective, hard, tough, severe)
3
severe(adjective, hard, tough, harsh)
2
austere(adjective, hard, tough, severe)
2
forbidding(adjective, hard, tough, severe)
2
harsh(adjective, hard, tough, low)
2
rough(adjective, hard, tough, severe)
1
astringent(adjective, hard, tough, severe)
1
authoritarian(adjective, hard, tough, severe)
1
bitter(adjective, hard, tough, severe)
1
bullheaded(adjective, hard, tough, severe)
1
by the book(expression, adjective, idiom, hard)
1
cruel(adjective, hard, tough, severe)
1
disciplinary(adjective, hard, tough, severe)
1
dyed-in-the-wool(adjective, hard, tough, severe)
1
flinty(adjective, hard, tough, severe)
1
hang-tough(adjective, hard, tough, severe)
1
hard-boiled(adjective, hard, tough, severe)
1
hard-core(adjective, hard, tough, severe)
1
hard-line(adjective, hard, tough, severe)
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APASmart Define. (2015). frowning thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/frowning/thesaurus/synonyms
ChicagoSmart Define. 2015. "frowning thesaurus" https://smartdefine.org/frowning/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, frowning thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/frowning/thesaurus/synonyms>.
MLASmart Define. "frowning thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/frowning/thesaurus/synonyms>