| noun | calm and unruffled self-assurance “he performed with all the coolness of a veteran” |
| noun | the property of being moderately cold “the chilliness of early morning” |
| noun | fearless self-possession in the face of danger |
| noun | a lack of affection or enthusiasm “a distressing coldness of tone and manner” |
| cool | adjective | fashionable and attractive at the time; often skilled or socially adept |
| imperturbable | adjective | not easily perturbed or excited or upset; marked by extreme calm and composure |
| chilly | adjective | appreciably or disagreeably cold |
| nippy | adjective | pleasantly cold and invigorating |
| nerveless | adjective | marked by calm self-control (especially in trying circumstances); unemotional |
| cold | adjective | sexually unresponsive |
| frigid | adjective | devoid of warmth and cordiality; expressive of unfriendliness or disdain |
| icy | adjective | devoid of warmth and cordiality; expressive of unfriendliness or disdain |