Definitions for calmkɑm; older kæm; spelling pron. kɑlm

Random House Webster's College Dictionary

calm^*kɑm; older kæm; spelling pron. kɑlm(adj.; n.; v.)calm•er, calm•est

(adj.)without rough motion; still or nearly still:
a calm sea.
not windy:
a calm day.
free from excitement or passion; tranquil:
a calm manner.
(n.)freedom from motion or disturbance; stillness.
wind speed of less than 1 mph (0.447 m/sec).
Category: Meteorology
freedom from agitation or excitement; tranquillity.
(v.t.)to make calm.
(v.i.)to become calm (usu. fol. by down).

^* Syn: calm , collected , composed , cool imply the absence of agitation. calm implies an unruffled state in the midst of disturbance all around: He remained calm throughout the crisis. collected implies complete command of one's thoughts, feelings, and behavior, usu. as a result of effort: The witness was remarkably collected during questioning. composed implies inner peace and dignified self-possession: pale but composed. cool implies clarity of judgment and absence of strong feeling or excitement: cool in the face of danger.

Origin of calm:

1350–1400; ME calm(e) < It calma (n.), calmo (adj.) < LL cauma summer heat

calm′ness(n.)

Princeton's WordNet

composure, calm, calmness, equanimity(noun)
steadiness of mind under stress
"he accepted their problems with composure and she with equanimity"
calm air, calm(adj)
wind moving at less than 1 knot; 0 on the Beaufort scale
calm, unagitated, serene, tranquil(adj)
not agitated; without losing self-possession
"spoke in a calm voice"; "remained calm throughout the uproar"; "he remained serene in the midst of turbulence"; "a serene expression on her face"; "she became more tranquil"; "tranquil life in the country"
calm(verb)
(of weather) free from storm or wind
"calm seas"
calm, calm down, quiet, tranquilize, tranquillize, tranquillise, quieten, lull, still(verb)
make calm or still
"quiet the dragons of worry and fear"
steady, calm, becalm(verb)
make steady
"steady yourself"
calm, calm down, cool off, chill out, simmer down, settle down, cool it(verb)
become quiet or calm, especially after a state of agitation
"After the fight both men need to cool off."; "It took a while after the baby was born for things to settle down again."
sedate, calm, tranquilize, tranquillize, tranquillise(verb)
cause to be calm or quiet as by administering a sedative to
"The patient must be sedated before the operation"

Kernerman English Learner's Dictionary

calm(adjective)ɑm; older kæm; spelling pron. kɑlm
not excited or upset
trained to stay/keep/remain calm in emergencies
calmɑm; older kæm; spelling pron. kɑlm
without troubles or violence
The city was calm again after the fire.
calmɑm; older kæm; spelling pron. kɑlm
without movement
The ocean looked calm.; She spoke calmly to the horse.
calm(noun)ɑm; older kæm; spelling pron. kɑlm
a quiet, peaceful time or place
the calm of the early morning
calmɑm; older kæm; spelling pron. kɑlm
a peaceful time before a lot of activity
the calm before the holiday storm

Wiktionary

calm(Noun)
The state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion.
calm(Noun)
The state of being calm; absence of noise and disturbance.
calm(Noun)
A period of time without wind.
calm(Verb)
To make calm.
calm(Verb)
To become calm.
calm(Adjective)
Peaceful, quiet, especially free from anger and anxiety.
calm(Adjective)
Free of noise and disturbance.
calm(Adjective)
with little waves on the surface.

Origin: From calme, from Old calma. calma may derive from cauma, from καῦμα, from καίω, or possibly from caleo, from (Doric) κάλεoς (of the Ionic κήλεος).

Webster Dictionary

Calm(noun)
freedom from motion, agitation, or disturbance; a cessation or absence of that which causes motion or disturbance, as of winds or waves; tranquility; stillness; quiet; serenity
Calm(noun)
to make calm; to render still or quiet, as elements; as, to calm the winds
Calm(noun)
to deliver from agitation or excitement; to still or soothe, as the mind or passions
Calm(u)
not stormy; without motion, as of winds or waves; still; quiet; serene; undisturbed
Calm(u)
undisturbed by passion or emotion; not agitated or excited; tranquil; quiet in act or speech