Pronunciation

change

Singular
stumble

Plural
stumbles

  1. (countable) A stumble is a fall or trip.
  2. (countable) A stumble is an error or blunder.

Plain form
stumble

Third-person singular
stumbles

Past tense
stumbled

Past participle
stumbled

Present participle
stumbling

  1. (transitive) If you stumble, you trip or fall
    He stumbled up the dark avenue.
    He stumbled over a rock.
  2. (transitive) If you stumble, you make a mistake or have trouble.
    I always stumble over verbs in Spanish.