U

[up to snuff]

See: [UP TO PAR].

[up to the chin in] or [in --- up to the chin]  {adj. phr.},  {informal}

Used also with "ears", "elbows", "eyes" or "knees" instead of "chin", and with a possessive instead of "the".

1. Having a big or important part in; guilty of; not innocent of; deeply  […]

[up to the hilt]

See: [TO THE HILT].

[up to the last minute]  {adv. phr.}

Until the last possible moment; until the very end.

When I try to send in an important eyewitness report from the scene of a major accident, I must keep working up to the last minute.

Compare: [TO THE BITTER  […]

[up to the mark]

See: [UP TO PAR] (2).

[up-and-coming]  {adj. phr.}

Bound toward success; upwardly mobile; progressive; ambitious.

[up-to-date]  {adj.}

Modem; contemporary; the latest that technology can offer.

"I want an up-to-date dictionary of American idioms," Mr. Lee said, "that has all the latest Americanisms in it."

Contrast: [STATE-OF-THE-ART].

[up-to-the-minute]

See: [UP-TO-DATE].

[upon one's head]

See: [ON ONE'S HEAD].

[upon oneself]

See:

[TAKE ON ONESELF] also [TAKE UPON ONESELF].