- having or showing an alert mind.
Origin of clearheaded
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for clear-headed
Pilots who smoke perform more poorly than clear-headed pilots on simulators—and that lasts 24 hours or more.Weed Gave My Family Everything—Then Took It Away
April 9, 2014
But it also shows him to be honourable, talented, and clear-headed.Maxim Gorki
He was a clear-headed, sensible man, with a keen eye to a bargain.The Young Franc Tireurs
G. A. Henty
Impossible—so clear-headed as he is, so fastidious about women!Heartsease
Charlotte M. Yonge
In political administration he was painstaking, clear-headed, and just.
He was his own clear-headed, calm, collected self again in a moment.On Board the Esmeralda
John Conroy Hutcheson
- mentally alert; sensible; judicious
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012