Main entry: trip, trip-up, stumble, misstep
Definition: an unintentional but embarrassing blunder
Usage: he recited the whole poem without a single trip; he arranged his robes to avoid a trip-up later; confusion caused his unfortunate misstep
Main entry: stumble, lurch, stagger
Definition: an unsteady uneven gait
Main entry: slip up, trip up, stumble
Definition: make an error
Usage: She slipped up and revealed the name
Definition: miss a step and fall or nearly fall
Usage: She stumbled over the tree root
Main entry: stumble, falter, bumble
Definition: walk unsteadily
Usage: The drunk man stumbled about
Definition: encounter by chance
Usage: I stumbled across a long-lost cousin last night in a restaurant