HyperDic

English > 1 sense of the word windlessness:
NOUNstatewindlessness, stillnesscalmness without winds
English > windlessness: 1 sense > noun 1, state
Meaningcalmness without winds.
Synonymstillness
BroadercalmnessAn absence of strong winds or rain
Adjectiveswindlesswithout or almost without wind