1. [syn: cool, coolheaded, nerveless]
The Collaborative International Dictionary of English v.0.48:
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.
[1913 Webster + WordNet 1.5]
WordNet (r) 3.0 (2006):
adj 1: marked by calm self-control (especially in trying
circumstances); unemotional; "play it cool"; "keep cool";
"stayed coolheaded in the crisis"; "the most nerveless
winner in the history of the tournament" [syn: cool,