Dictionary.net

walk unsteadily

encounter by chance; "I stumbled across a long-lost cousin last night in a restaurant"

miss a step and fall or nearly fall; "She stumbled over the tree root"

encounter by chance; "I stumbled across a long-lost cousin last night in a restaurant"

an unintentional but embarrassing blunder; "he recited the whole poem without a single trip"; "he arranged his robes to avoid a trip-up later"; "confusion caused his unfortunate misstep"

miss a step and fall or nearly fall; "She stumbled over the tree root"

walk unsteadily; "The drunk man stumbled about"

To trip in walking or in moving in any way with the legs; to strike the foot so as to fall, or to endanger a fall; to stagger because of a false step.

To walk in an unsteady or clumsy manner.

To fall into a crime or an error; to err.

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

To cause to stumble or trip.

Fig.: To mislead; to confound; to perplex; to cause to err or to fall.

A trip in walking or running.

A blunder; a failure; a fall from rectitude.

A trip in walking or running; failure or blunder.

To trip or fall in walking; to walk in an unsteady or clumsy manner; to fall into error or crime; to come upon something by chance: with on, upon, or against.

Stumblingly.

Stumbler.

To strike the feet against something: to trip in walking: (fol. by upon) to light on by chance: to slide into crime or error.

To cause to trip or stop: to puzzle.

To trip in walking; light on by chance.

To strike the foot against something in walking or running.

To fall (on or upon) by chance.

A Striking or catching of the foot; trip; false step; blunder.