blunder

A clumsy or embarrassing mistake.

A very bad move, usually caused by some tactical oversight.

Confusion; bewilderment; trouble; disturbance; clamour.

To make a big mistake, especially when it is careless or stupid.

to blunder in preparing a medical prescription

To make a big mistake, especially when it is careless or stupid.

To make a big mistake, especially when it is careless or stupid.

blunder a rook

To make a big mistake, especially when it is careless or stupid.

blunder a draw

blunder a mate in one

To move in an unsteady way.

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

blunders on, and staggers every pace