noun.
A moderate or refreshing state of cold; moderate temperature of the air between hot and cold.
noun.
An obsolete spelling of cole.
In painting, to strengthen (colors) on the blue and violet side of the spectrum, or to reduce (reds and yellows).
Moderately cold; being of a temperature neither warm nor very cold: as, cool air; cool water.
Having a slight or not intense sensation of cold. See cold, a., 3.
Not producing heat or warmth; permitting or imparting a sensation of coolness; allowing coolness, especially by facilitating radiation of heat or access of cool air, or by intercepting radiated heat: as, a cool dress.
In figurative uses:
Not excited or heated by passion of any kind; without ardor or visible emotion; calm; unmoved: as, a cool temper; a cool lover.
Not hasty; deliberate: as, a cool purpose.
Manifesting coldness, apathy, or dislike; chilling; frigid: as, a cool manner.
Quietly impudent, defiant, or selfish; deliberately presuming: said of persons and acts.
Absolute; without qualification; round: used in speaking of a sum of money, generally a large sum, by way of emphasizing the amount.
Unconcerned, lukewarm, indifferent; cold-blooded, repellent
To make cool or cold; reduce the temperature of: as, ice cools water.
To allay the warmth or heated feeling of; impart a sensation of coolness to; cause to feel cool.
To abate the ardor or intensity of; allay, as passion or strong emotion of any kind; calm, as anger; moderate, as desire, zeal, or ardor; render indifferent.
To mitigate.
To become cool; become less hot; lose heat.
To lose the heat of excitement, passion, or emotion; become less ardent, angry, zealous, affectionate, etc.; become more moderate.