Pronunciation

change

Singular
blunder

Plural
blunders

  1. (countable) A blunder is a major mistake.

Plain form
blunder

Third-person singular
blunders

Past tense
blundered

Past participle
blundered

Present participle
blundering

  1. (intransitive) A blunder means to make a clumsy or stupid mistake.
    She made a blunder while preparing the customer's order.