A fall, trip or substantial misstep.

An error or blunder.

A clumsy walk.

(intransitive) To trip or fall; to walk clumsily.

(intransitive) To make a mistake or have trouble.

(transitive) To cause to stumble or trip.

(transitive, figurative) To mislead; to confound; to cause to err or to fall.

To strike or happen (upon a person or thing) without design; to fall or light by chance; with on, upon, or against.