(US) To make a mistake. / (US) To engage in mischief.

(US, informal) A mistake or error. / (US, cinematography, informal) An error made during production which finds its way into the final release.

Third-person singular simple present indicative form of goof

simple past tense and past participle of goof

present participle of goof

(informal) to mock, tease, make fun of

present participle of goof on

simple past tense and past participle of goof on

Third-person singular simple present indicative form of goof on

plural of goof-up