coolheadedness
The state or characteristic of being coolheadedThe state or characteristic of being coolheaded.
Meaning
1 senses(uncountable)The state or characteristic of being coolheaded.
Origin
From coolheaded + -ness.From coolheaded + -ness.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable