American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "cool-headed" in a sentence
"Oscar is described as the cool-headed but ruthless younger brother of Chicago Mafia boss Bruno Bianchi, who was murdered in the first episode during an altercation with Bunny Maureen Amber Heard."
"On a case, he needs to be cool-headed to the point of being a machine."
"Among the many retorts, perhaps the most carefully argued and cool-headed came from Ben Brandzel and his all-star co-authors, Tate Hausman, Paul Adler and Ben Wikler."