Stumble has 8 different meanings across 2 categories:
Noun · Verb
an unsteady uneven gait
"After tripping over her shoelace, she stood up and continued walking with a slightly unsteady, uneven gait until she reached the door."
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"
A fall, trip or substantial misstep.
"After taking a wrong turn in the dark alley, I stumbled hard and fell onto my face."
walk unsteadily
"The drunk man stumbled about"
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"
make an error
"She slipped up and revealed the name"
To trip or fall; to walk clumsily.
"She stumbled over a loose board on the porch and nearly fell into the garden."