1. (

• drop_the_ball ,
• sin ,
• blunder ,
• boob ,
• goof

) commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview" ;

2. (

• fumble ,
• blunder

) make one's way clumsily or blindly; "He fumbled towards the door" ;

3. (

• blurt_out ,
• blurt ,
• blunder_out ,
• blunder ,
• ejaculate

) utter impulsively; "He blurted out the secret"; "He blundered his stupid ideas" ;