Synonyms: daredevil, harum-scarum, hothead, swashbuckler, lunatic, madcap
Definition: a reckless impetuous irresponsible person
Similar words: venturer, adventurer
Definition: a person who enjoys taking risks
Synonyms: lunatic, madman, maniac
Definition: an insane person
Similar words: sick person, diseased person, sufferer
Definition: a person suffering from an illness
Synonyms: lunatic, moonstruck
Definition: insane and believed to be affected by the phases of the moon
Similar words: insane
Definition: afflicted with or characteristic of mental derangement
Usage: was declared insane; insane laughter