Answer: stifled

AnswerCrossword Clue
STIFLEDSuppressed
STIFLEDSquelched
STIFLEDSmothered
STIFLEDKept in, as a yawn
STIFLEDCurbed
STIFLEDHeld back.
STIFLEDChecked
STIFLEDKept in
STIFLEDConstrained
stifledto repress
stifledSTIFLE, to smother (to prevent from breathing)
stifledto suffocate
stifledto smother