Definition of calmness noun from the Oxford Advanced Learner's Dictionary

 

calmness

 noun
noun
BrE BrE//ˈkɑːmnəs//
 
; NAmE NAmE//ˈkɑːmnəs//
 
[uncountable]
 
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the quality of not being excited, nervous or upset He was calmness personified. Which Word?calm / calmness The noun calm is usually used to talk about a peaceful time or situation:There was a short period of uneasy calm after the riot. It can also be used to describe a person’s manner:She spoke with icy calm. Calmness is usually used to talk about a person:We admired his calmness under pressure.