1. Unrestrained by convention or propriety
   - audacious, barefaced, bodacious [N. Amer], bald-faced, brassy, brazen, insolent

See also: unashamed

• echocardiogram
• echocardiograph
• echocardiography
• echoencephalogram
• echoencephalograph
• echoencephalography
• echoey
• echogram
• echography
• echoic
• echoing
• echolalia
• echoless
• echolike
• echolocation
• echovirus
• echt
• Eck
• Eckhart
• eclair
• eclampsia
• eclectic
• eclectic method
• eclectically
• eclecticism