definition of
[stumble]

[1] #1 stumble v. [falter, bumble] walk unsteadily; "The drunk man stumbled about". wn

[2] #2 stumble v. [trip] miss a step and fall or nearly fall; "She stumbled over the tree root". wn

[3] #3 stumble v. [hit] encounter by chance; "I stumbled across a long-lost cousin last night in a restaurant". wn

[4] #4 stumble n. [lurch, stagger] an unsteady uneven gait. wn

[5] #5 stumble n. [trip, trip-up, misstep] 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". wn