Definition of "blunder" in English

noun

1. A clumsy or embarrassing mistake.

2. (chess) A very bad move, usually caused by some tactical oversight.

3. (obsolete) Confusion; bewilderment; trouble; disturbance; clamour.

verb

1. (intransitive) To make a big mistake, especially when it is careless or stupid.

   • to blunder in preparing a medical prescription

2. (intransitive, sometimes figurative, with adverb or preposition) To move in an unsteady way.

   • I was never distinguished for address, and have often even blundered in making my bow.

3. (intransitive, with adverb or preposition) To enter a place or become involved in a difficult situation by mistake.

4. (transitive, obsolete) To do or treat in a blundering manner; to confuse.