Oppressive due to a lack of fresh air
They had to break this stifling relationship off before it smothered all reason from them.
"I'm coming," she replied, stifling a groan as she shrugged out of the sheet to stand.
Those ahead of him grew more restless with the passing time, eerie quiet, and stifling heat.
142) showed that a very small departure from the adiabatic condition would lead to a stifling of the sound quite out of accord with observation.
The entire atmosphere, so to speak, of the play is stifling, and is not rendered less so by the underplot with Hippolita.