20
close(adjective, moist, open, warm, hot)
18
stifling(adjective, moist, close, open, warm)
15
soul-crushing
14
airless(adjective, close, open, warm, hot)
13
boring(adjective, excite, dreary, drab, colorless)
13
prim(adjective, correct, warm, plain, proper)
13
stodgy(adjective, dull, flat, warm, stupid)
12
muggy(verb, adjective, moist, close, warm)
12
oppressive(adjective, moist, close, tough, severe)
12
strait-laced(adjective, tough, correct, severe, firm)
12
sultry(adjective, moist, close, warm, hot)
11
formal(adjective, correct, careful, straight, sober)
11
heavy(adjective, close, warm, hot, tight)
11
priggish(adjective, correct, warm, plain, solid)
11
suffocating(adjective, close, warm, hot, heat)
10
conventional(adjective, correct, warm, straight, stiff)
10
dull(adjective, flat, excite, warm, heavy)
10
fusty(adjective, warm, tight, stale, rotten)
10
prudish(adjective, tough, correct, severe, warm)
10
puritanical(adjective, tough, correct, moderate, severe)
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APASmart Define. (2015). stuffy thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/stuffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "stuffy thesaurus" https://smartdefine.org/stuffy/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, stuffy thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/stuffy/thesaurus/synonyms>.
MLASmart Define. "stuffy thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/stuffy/thesaurus/synonyms>