WordWeb Online

1. An embarrassing mistake
   - blooper [N. Amer, informal], bloomer [informal], bungle, pratfall [informal], foul-up, flub [N. Amer, informal], botch, boner [N. Amer, informal], boo-boo [informal], goof [informal], boob [Brit, informal], blue [Austral, NZ, informal]

1. Commit a faux pas or a fault or make a serious mistake
   "I blundered during the job interview";
   - drop the ball, sin, boob [informal], goof [informal]
    
2. Make one's way clumsily or blindly
   "He blundered towards the door";
   - fumble
    
3. Utter impulsively
   "He blundered his stupid ideas";
   - blurt out, blurt, blunder out, ejaculate

Derived forms: blundered, blundering, blunders

Type of: breach, break, error, fault, go against, infract, mistake, mouth, offend, pass, speak, talk, transgress, utter, verbalise [Brit], verbalize, violate

Encyclopedia: Blunder