▪ have or cause to have difficulty in breathing: "he was suffocating, his head jammed up against the back of the sofa"Similarbe breathlessbe short of airstruggle for airbe too hotswelterinformal:roastbakeboil
▪ feel or cause to feel trapped and oppressed:"he said he'd suffocate if he remained in this house for another hour"
Word Originlate 15th century (earlier (late Middle English) as suffocation): from Latin suffocat- ‘stifled’, from the verb suffocare, from sub- ‘below’ + fauces ‘throat’.