stumble
verbUK /ˈstʌm.bəl/
US /ˈstʌm.bəl/
To trip or almost fall while walking.
She stumbled on a rock but caught herself before falling.
OTHER MEANINGS
2. To make a mistake while speaking or reading.
He stumbled over the difficult word during his speech.
3. To find or discover something by accident.
We stumbled upon a lovely little cafe on our walk.
4. To move or progress in an unsteady way.
The tired hikers stumbled along the dark trail.