Definition of blunder

noun (n)

• an embarrassing mistake (noun.act)

  Synonym: bloomer, blooper, boner, boo-boo, botch, bungle, flub, foul-up, fuckup, pratfall
  

  source: wordnet30
• Confusion; disturbance. (noun)

  source: webster1913

verb (v)

• commit a faux pas or a fault or make a serious mistake (verb.social)

  Synonym: boob, drop the ball, goof, sin
  

  Example:
  I blundered during the job interview.
  

  source: wordnet30
• make one's way clumsily or blindly (verb.motion)

  Synonym: fumble
  

  source: wordnet30
• utter impulsively (verb.communication)

  Synonym: blunder out, blurt, blurt out, ejaculate
  

  Example:
  He blundered his stupid ideas.
  

  source: wordnet30
• To make a gross error or mistake; as, to blunder in writing or preparing a medical prescription. (verb)

  source: webster1913
• To cause to blunder. (verb)

  source: webster1913

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