calm1 S3 comparative calmer, superlative calmest
relaxed and quiet, not angry, nervous, or upset:
Glen was calm and composed at the funeral.
I tried to stay calm and just ignore him.
if a place, period of time, or situation is calm, there is less activity, trouble etc than there sometimes is, or than there has been recently:
The financial markets are calm at the moment.
The streets are calm again after last night's disturbances.
a sea, lake etc that is calm is smooth or has only gentle waves:
The seas were dead calm.
—calmness noun [uncountable]WORD FOCUS: quiet
voice, sound: low , soft, muffled, hushed, subdued
place: peaceful, calm, sleepy, tranquil
completely quiet: silent, you could hear a pin drop
what you say when you want someone to be quiet: sh, shut up not polite, be quiet, keep it down BrE informal
➔ See also quiet