Answer: stifles

AnswerCrossword Clue
STIFLESQuashes
STIFLESPuts down
STIFLESPuts down, as a revolt
STIFLESQuenches.
STIFLESRepresses.
STIFLESSuppresses
STIFLESRepresses
STIFLESStops, as a yawn
STIFLESNips in the bud
STIFLESChecks
STIFLESSquelches
stiflesRestrain (a reaction) or stop oneself acting on (an emotion)
stiflesMake (someone) unable to breathe properly; suffocate
stiflesSTIFLE, to smother (to prevent from breathing)
stiflesPrevent or constrain (an activity or idea)