“up”

A person or thing which is unpleasant, dishonorable, or unwanted tends to appear (or reappear), especially at inopportune times.

To crush or form into a ball shape.

To inflate or fill with air, either by literally blowing or by using a pump.

To start a computer using its bootstrap procedure.

To break or separate into pieces.

To pick up suddenly.

To emerge or become known, especially unexpectedly.

To put on special or fancy clothes.

To become dry (often of weather); to lose water.

To make (something) completely full.

To make a mistake, to go wrong.

To refuel (a vehicle).

To study in detail; to familiarize oneself with all available information.

To surrender (someone or something); to inform on (someone).

To put up to hang.

To wait or delay.

To avidly absorb or consume (something), as if by a vacuum cleaner.

To illuminate, to bring light to something, to brighten.

To align; to put in alignment; to put in correct adjustment for smooth running.

To link or join together.

To make a mess of; to untidy, disorder, soil, or muss.

To refuse (not accept); forgo.

To inflate by means of a pump.

To make something into a particular shape, especially cylindrical or fold-like.

To collect or gather (something) together.

To approach a person or animal without being seen or heard

To absorb or draw in a substance, especially all of that substance.

To wind up onto a spool.

To synchronize.

To occupy; to consume (space or time).

To refill (or recharge) something.

To commit an error, make a mistake.

To show up; to appear suddenly or unexpectedly.

To produce (something) quickly, especially food.

To close with a zip fastener.

A number of things or persons being in some relation to one another.

To help keep from falling.

Two of the same kind connected or considered together.

A cup or mug with tea in it.

Because.