Answer: stifler

AnswerCrossword Clue
STIFLEROne suppressing a yawn, say
STIFLERArchie Bunker, to Edith
stiflerto kill by depriving of oxygen suffocate
stiflerone that stifles (to smother (to prevent from breathing))
stiflerother
stiflerbe or become unable to breathe easily stifling in the heat
stiflerwithhold from circulation or expression stifled our anger
stiflerffle
stiflercut off (as the voice or breath)