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1. Not agitated; without losing self-possession
   "spoke in a calm voice"; "remained calm throughout the uproar"
   - unagitated, serene, tranquil
    
2. (of weather) free from storm or wind
   "calm seas"

1. Make calm or still
   - calm down, quiet, tranquilize [N. Amer], tranquillize, tranquillise [Brit], quieten, lull, still
    
2. Make steady
   - steady, becalm
    
3. Become quiet or calm, especially after a state of agitation
   - calm down, cool off, chill out, simmer down, settle down, cool it, wind down, take a chill pill
    
4. Cause to be calm or quiet as by administering a sedative to
   - sedate, tranquilize [N. Amer], tranquillize, tranquillise [Brit]

1. Steadiness of mind under stress
   - composure, calmness, equanimity, unflappability
    
2. Wind moving at less than 1 knot; 0 on the Beaufort scale
   - calm air

Derived forms: calms, calming, calmest, calmer, calmed

See also: calmly, calmness, composed, peaceable, peaceful, placid, quiet, settled, smooth, still, tranquil, unruffled, windless

Type of: affect, air current, change state, comfort, console, current of air, disposition, solace, soothe, stabilise [Brit], stabilize, temperament, turn, wind

Antonym: agitate, stormy

Part of: Beaufort scale, wind scale

Encyclopedia: Calm