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Synonyms for Stuffy (same or very similar meaning)

WordNet sense 1 (lacking fresh air):
airless, close, unaired

WordNet sense 2 (not ventilated):
unventilated

WordNet sense 3 (shut off to passage or view or hindered from action):
obstructed

WordNet sense 4 (excessively conventional and unimaginative and hence dull):
stodgy

WordNet sense 5 (following accepted customs and proprieties):
conventional


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