Longman Dictionary of Contemporary English
The Collaborative International Dictionary
cool-headed \cool"-head`ed\, coolheaded \cool"head*ed\, a. Having a temper not easily excited; free from passion; unshakably calm and collected. -- Cool"-head`ed*ness, n.
Syn: cool, imperturbable, unflappable.
Wiktionary
a. calm and imperturbable, especially under pressure.
Usage examples of "cool-headed".
Jean de Courtois with motives which would not pass muster before a jury of cool-headed men so readily as they seemed to have satisfied an impetuous and frightened girl.
Master Traders are described as cool-headed, analytical, persuasive generalists who are filled with the passion to deal.
Master Traders are described as cool-headed, analytical, persuasive generalists who are filled with the passion to deal.
The same feeling of good-humoured contempt which one feels for an animal or a faithful servant, made her turn away with a smile from the man who should have been her moral support in this heart-rending crisis through which she was passing: who should have been her cool-headed adviser, when feminine sympathy and sentiment tossed her hither and thither, between her love for her brother, who was far away and in mortal peril, and horror of the awful service which Chauvelin had exacted from her, in exchange for Armand’s safety.
In the absence of conclusive proof, he must be extended the presumption of innocence, and his own, cool-headed refusal to pour fresh fuel on the fire was to be applauded.