Synonyms of the word 
WINDLESSNESS → CALMNESS - STILLNESS
windlessness
- n. Absence of wind.
calmness
- n. (uncountable) The state of being calm; tranquillity; silence.
- n. (countable) The product of being calm.
stillness
- n. The quality or state of being still; quietness; silence; calmness; inactivity.
- n. Habitual silence or quiet; taciturnity.
If you are interested in words, visit the following sites :
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