Definition of "calm" []

• Nearly or completely motionless; undisturbed: the calm surface of the lake. (adjective)
• Not excited or agitated; composed: The President was calm throughout the global crisis. (adjective)
• An absence or cessation of motion; stillness. (noun)
• Serenity; tranquillity; peace. (noun)
• A condition of no wind or a wind with a speed of less than 1 mile (2 kilometers) per hour, according to the Beaufort scale. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Labour, equally keen on personal attacks, none the less claimed the phrase "calm down, dear" was both patronising and, worse, sexist."
• "Then he faced them, head up, his expression calm but watchful."
• "Years of control kept his expression calm and impassive; his gray eyes revealed nothing of what was going on inside him."