calm : Idioms & Phrases
calm air
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noun wind moving at less than 1 knot; 0 on the Beaufort scale
calm.
WordNet
calm down
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verb become quiet or calm, especially after a state of agitation
cool off; calm; simmer down; cool it; chill out; settle down.
- After the fight both men need to cool off.
- It took a while after the baby was born for things to settle down again.
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verb make calm or still
still; tranquilize; tranquillize; quiet; calm; tranquillise; quieten; lull.
- quiet the dragons of worry and fear
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verb become quiet or less intensive
lull.
- the fighting lulled for a moment
WordNet
Dead calm
(Naut.) , no wind at all.
Webster 1913
To fall calm
- to cease to blow; to become calm.