stifling

equivalents

hot

synonyms

airless

breathless

breezeless

choking

close

constrictive

contrary

counterproductive

crosswise

extinguishment

hindering

hindersome

humid

ill-ventilated

in the way

inhibiting

inhibitive

interrupting

interruptive

muggy

obstructing

obstructive

obstruent

occlusive

oppressive

overpowering

quashing

quenching

repressive

restrictive

smothering

smudgy

squashing

squelching

sticky

strangling

stuffy

suffocating

suffocative

sultry

suppression

suppressive

troublesome

unbearable

unendurable

unvented

unventilated

windless

rhymes

rifling

trifling