Pronunciation

change

Singular
goof

Plural
goofs

  1. (countable) (informal) (US) A 'goof is a mistake or an error.
  2. (countable) (informal) (US) (Canada) A 'goof is a silly person.

Plain form
goof

Third-person singular
goofs

Past tense
goofed

Past participle
goofed

Present participle
goofing

  1. (US) If you goof, you make a mistake.
  2. (US) If you goof, you engage in mischief.