Meaning of CALM in English

CALM

/ kɑːm; NAmE / adjective , verb , noun

■ adjective ( calm·er , calm·est )

1.

not excited, nervous or upset :

It is important to keep calm in an emergency.

Try to remain calm .

Her voice was surprisingly calm.

The city is calm again (= free from trouble and fighting) after yesterday's riots.

2.

( of the sea ) without large waves

3.

( of the weather ) without wind :

a calm, cloudless day

►  calm·ly adverb :

'I'll call the doctor,' he said calmly.

►  calm·ness noun [ U ]

■ verb

[ vn ] to make sb/sth become quiet and more relaxed, especially after strong emotion or excitement :

Have some tea; it'll calm your nerves.

His presence had a calming influence .

—see also traffic calming

PHRASAL VERBS

- calm down | calm sb/sth down

■ noun [ C , U ]

1.

a quiet and peaceful time or situation :

the calm of a summer evening

The police appealed for calm .

2.

a quiet and relaxed manner :

Her previous calm gave way to terror.

IDIOMS

- the calm before the storm

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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.

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WORD ORIGIN

late Middle English : via one of the Romance languages from Greek kauma heat (of the day).

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.