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cool (EN)
adjective, noun, verb

adjective “cool”

cool, cooler, coolest
  1. moderately cold; of a temperature between warm and cold
    We enjoyed a cool breeze on the hot summer day.
  2. (informal) fashionable; trendy; appealing
    That new song is really cool!
  3. calm and composed; not excited or anxious
    The pilot remained cool during the emergency landing.
  4. acceptable; okay
    Is it cool if I call you later?
  5. (of colors) having hues in the violet to green range
    The designer used cool colors to create a peaceful atmosphere.
  6. unenthusiastic or lacking in emotion
    His suggestion received a cool response from the team.

noun “cool”

sg. cool, uncountable
  1. a moderate state of cold; moderate temperature
    The cool of the night was a relief after the hot day.
  2. a calm or composed state of mind
    She kept her cool even when everyone else panicked.
  3. the quality of being fashionable or impressive
    His style has a certain cool that others admire.

verb “cool”

cool; he cools; past cooled, part. cooled; ger. cooling
  1. to make something cooler or less hot
    She fanned herself to cool down.
  2. to become cooler; to lose heat
    The soup needs to cool before we can eat it.
  3. (figuratively) to become less intense or passionate
    His enthusiasm cooled after the initial excitement wore off.