stuffy

1 ENTRIES FOUND:
stuffy /ˈstʌfi/ adjective
stuffier; stuffiest
stuffy
/ˈstʌfi/
adjective
stuffier; stuffiest
Britannica Dictionary definition of STUFFY
1 
: lacking fresh air
2 
: filled with mucus because of illness : stuffed
3 
informal + disapproving : very formal, serious, or old-fashioned

— stuffily

/ˈstʌfəli/ adverb

— stuffiness

/ˈstʌfinəs/ noun [noncount]