1. (

• lunatic ,
• madman ,
• maniac

) an insane person ;

2. (

• daredevil ,
• madcap ,
• hothead ,
• swashbuckler ,
• lunatic ,
• harum-scarum

) a reckless impetuous irresponsible person ;

1. (

• lunatic ,
• moonstruck

) insane and believed to be affected by the phases of the moon ;