stumbling

(verb) walk unsteadily. Synonyms: stumble, falter, bumble. Example: "The drunk man stumbled about."

(verb) miss a step and fall or nearly fall. Synonyms: stumble, trip. Example: "She stumbled over the tree root."

(verb) encounter by chance. Synonyms: stumble, hit. Example: "I stumbled across a long-lost cousin last night in a restaurant."

(verb) make an error. Synonyms: stumble, slip up, trip up. Example: "She slipped up and revealed the name."