62 entries under stiff topic. ×

29
prim(adjective, characteristic, good, strong, correct)
19
ceremonious(adjective, characteristic, good, strong, correct)
19
conventional(adjective, good, correct, right, appropriate)
17
distant(adjective, tough, correct, firm, cold)
17
reserved(adjective, tough, correct, firm, cold)
14
aloof(adjective, tough, correct, firm, cold)
13
punctilious(adjective, characteristic, good, strong, correct)
13
decorous(adjective, correct, appropriate, polite, suitable)
12
precise(adjective, characteristic, correct, affected)
12
nominal(adjective, correct, affected, conformity)
11
stilted(adjective, dull, strong, correct, cold)
10
stuffy(adjective, correct, careful, straight, sober)
9
polite(adjective, correct, affected, particular)
8
forced(adjective, strong, cold, affected)
8
pompous(adjective, dull, strong, obscure, cold)
8
starched(adjective, characteristic, correct, affected)
7
correct(adjective, good, right, appropriate, common)
7
exact(adjective, correct, affected, neat)
6
seemly(adjective, good, correct, grand)
5
grandiloquent(adjective, important, affected, prominent)
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APASmart Define. (2016). formal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/formal/thesaurus/synonyms
ChicagoSmart Define. 2016. "formal thesaurus" https://smartdefine.org/formal/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, formal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/formal/thesaurus/synonyms>.
MLASmart Define. "formal thesaurus" 10 March 2016. Web. 24 September 2026. <https://smartdefine.org/formal/thesaurus/synonyms>