She was afraid that thick pillows and blankets could 'suffocate' [='smother'] the baby.
The poor dog could 'suffocate' in the car on a hot day like this.
Critics say that the new tax will 'suffocate' local businesses.
(..) We can't get back our power! Hello? Hello? Now, how are we going to get out of here? All these doors are electrically powered. Now, get these doors open in here before we all suffocate! Temperature elevated, degrees. Oxygen, percent and dropping. Get that power on so we can open these doors. (..)1973 Westworld