plural of up

Third-person singular simple present indicative form of up

Misspelling of oops.

(idiomatic, colloquial) Well-informed concerning.

present participle of up

The act of increasing something.

(idiomatic) To do or be involved in doing; to do (often something mischievous or inappropriate). / (idiomatic) To depend on, to be the choice of.

simple past tense and past participle of up

Used to indicate increase. / Used to indicate higher position or direction, literally or figuratively.

(colloquial) Abruptly; unexpectedly.