109 entries under hard topic. ×

13
definite(adjective, strong, correct, severe)
13
proper(adjective, correct, right, severe)
12
unyielding(adjective, strong, tough, easy)
11
oppressive(adjective, tough, severe, rough)
10
relentless(adjective, strong, tough, severe)
10
unbending(adjective, strong, tough, severe)
9
authoritarian(adjective, strong, tough, severe)
9
fussy(adjective, tough, harsh, exact)
9
obdurate(adjective, strong, tough, severe)
9
right(adjective, close, correct, severe)
8
stiff(adjective, tough, severe, rough)
8
inexorable(adjective, strong, tough, severe)
7
grim(adjective, strong, tough, severe)
7
unsparing(adjective, strong, tough, severe)
6
adamant(adjective, strong, tough, flat)
6
hard-boiled(adjective, strong, tough, severe)
6
obstinate(adjective, tough, moderate, severe)
6
ruthless(adjective, rough, harsh, cruel)
5
astringent(adjective, strong, tough, severe)
5
fixed(adjective, strong, severe, stiff)
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APASmart Define. (2015). strict thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/strict/thesaurus/synonyms
ChicagoSmart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, strict thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>.
MLASmart Define. "strict thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms>