Home › Words › C › coolheadednesscoolheadednesscoolheadedness means the state or characteristic of being coolheaded.EtymologyFrom coolheaded + -ness.nounThe state or characteristic of being coolheaded.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.coolheadedly 80% match — In a coolheaded manner. vs coolheadedness →coolheaded 79% match — Having an even temper; calm and collected vs coolheadedness →levelheadedness 75% match — The property of being levelheaded, stable, not overly swayed by passion. vs coolheadedness →clearheadedness 74% match — The quality of being clearheaded. vs coolheadedness →coolth 66% match — The state of being cool, temperature-wise; coolness. vs coolheadedness →uncollectedness 65% match — The quality of not being collected (cool-headed, emotionally stable). vs coolheadedness →equanimity 64% match — The state of being calm, stable and composed, especially under stress. vs coolheadedness →calmth 64% match — The state or condition of being calm; calmness. vs coolheadedness →