106 entries under rigid topic. ×

62
hard(adjective, adverb, strong, severe, strain)
57
firm(noun, adjective, close, strong, hard)
56
stiff(adjective, close, strong, hard, secure)
46
strong(adjective, close, hard, secure, tough)
30
tough(adjective, strong, hard, difficult, complex)
29
steady(adjective, close, strong, secure, strain)
26
severe(adjective, hard, difficult, complex)
26
unyielding(adjective, close, strong, hard, tough)
25
rough(adjective, hard, easy, severe, difficult)
24
taut(adjective, order, close, strong, hard)
21
resistant(adjective, strong, strain, firm, solid)
21
steadfast(adjective, strain, firmness, labour)
20
stubborn(adjective, hard, difficult, complex)
19
tense(adjective, close, hard, firm, difficult)
19
refractory(adjective, strain, firm, solid, firmness)
18
hard-nosed(adjective, hard, severe, difficult, complex)
13
fixed(adjective, adverb, close, strong, hard)
12
solid(adjective, adverb, good, close, strong)
11
rigorous(adjective, severe, careful, strict)
9
thick(adjective, close, hard, love, easy)
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APASmart Define. (2016). tight thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/tight/thesaurus/synonyms
ChicagoSmart Define. 2016. "tight thesaurus" https://smartdefine.org/tight/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, tight thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/tight/thesaurus/synonyms>.
MLASmart Define. "tight thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/tight/thesaurus/synonyms>