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.
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"
walk unsteadily; "The drunk man stumbled about"
miss a step and fall or nearly fall; "She stumbled over the tree root"