breezeless
Without any wind
Breezeless describes air that is completely still, without any wind or gentle movement: The breezeless afternoon left us sweating on the porch.
The word emphasizes the absence of relief that even a slight breeze would provide.
stifling
Depriving of air
- swelteringExtremely hot, uncomfortably so
- oppressiveUnjustly harsh or stifling
- airlessHaving no atmosphere
- muggyUnpleasantly warm and humid
humid · sultry · stuffy · close · stagnant · unventilated · smothering · heavy
suffocating
Depriving of air
- swelteringExtremely hot, uncomfortably so
- oppressiveUnjustly harsh or stifling
- airlessHaving no atmosphere
muggy · humid · sultry · stuffy · close · stagnant · unventilated · smothering · heavy · clammy
tranquil
Calm and untroubled
still · quiet · undisturbed · unruffled · glassy · becalmed · windless · hushed · gentle · restful
still
Unmoving, or continuing
stationary · immobile · dead · lifeless · suspended · frozen · stalled · slack · limp · drooping