Third-person singular simple present indicative form of trip up

simple past tense and past participle of trip up

(intransitive) To commit an error, make a mistake. / (transitive) To cause (someone) to commit an error, trick into a mistake. / (intransitive) To fall or stumble.

plural of frame-up

simple past tense and past participle of muck up

Third-person singular simple present indicative form of muck up

present participle of muck up

simple past tense and past participle of look up

Third-person singular simple present indicative form of look up

present participle of look up