Synonyms: foolhardy, heady, reckless, rash
Definition: marked by defiant disregard for danger or consequences
Usage: foolhardy enough to try to seize the gun from the hijacker; became the fiercest and most reckless of partisans-Macaulay; a reckless driver; a rash attempt to climb Mount Everest
Similar words: bold
Definition: fearless and daring
Usage: bold settlers on some foreign shore; a bold speech; a bold adventure