up

Multiple Entries:
  up    up-  

Concise Oxford English Dictionary © 2008 Oxford University Press:
up/ʌp/

▶adverb

• 1 towards a higher place or position.

  ■ to or at a place perceived as higher: a walk up to the shops.

  ■ (of the sun) visible in the sky.

  ■ towards the north.

• 2 (often up and about) out of bed.

• 3 to the place where someone is.

• 4 Brit. towards or in the capital or a major city.

  ■ at or to a university, especially Oxford or Cambridge.

• 5 at or to a higher level or value.

  ■ winning by a specified margin.

• 6 into the desired or a proper condition.

  ■ so as to be finished or closed.

• 7 into a happy mood.

• 8 in a publicly visible place.

• 9 (of sailing) against the current or the wind.

  ■ (of a ship's helm) moved round to windward.

• 10 Baseball at bat.

• 11 (up with ——) expressing support for a person or thing.

▶preposition

• 1 from a lower to a higher point of.

• 2 from one end to another of (a street or other area).

• 3 informal at or to (a place).

▶adjective

• 1 directed or moving towards a higher place or position.

  ■ denoting trains travelling towards the main terminus.

• 2 (of the road) being repaired.

• 3 cheerful.

• 4 (of a computer system) working properly.

• 5 at an end.

• 6 (of a jockey) in the saddle.

• 7 Physics denoting a flavour of quark having a charge of +2/3.

▶noun informal a period of good fortune. ▶verb (ups, upping, upped)

• 1 (up and do something) informal do something abruptly or boldly.

• 2 increase (a level or amount).

• 3 lift up.

– phrases
be up on be well informed about.
it is all up with informal it is the end or there is no hope for.
on the up and up informal

• 1 Brit. steadily improving.

• 2 chiefly N. Amer. honest; sincere.

something is up informal something unusual or undesirable is happening.
up against close to or touching.

■ informal confronted with.

up and doing active.
up and down in various places throughout.
up and running functioning.
up before appearing for a hearing in the presence of (a judge, magistrate, etc.).
up for

• 1 available for.

• 2 due or being considered for.

• 3 (often up for it) informal ready to take part in.

up hill and down dale all over the place.
up to

• 1 as far as.

  ■ (also up until) until.

• 2 indicating a maximum amount.

• 3 [with neg. or in questions] good enough for.

• 4 capable of.

• 5 the duty or choice of.

• 6 informal occupied with.

up top Brit. informal in the way of intelligence.
up yours vulgar slang expressing angry or contemptuous defiance or rejection.
what's up? informal what is going on?

■ what is the matter?

– origin OE up(p), uppe, of Gmc origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
up-/ʌp/

▶prefix

• 1 (added to verbs and their derivatives) upwards: upturned.

  ■ to a more recent time: update.

• 2 (added to nouns) denoting motion up: uphill.

• 3 (added to nouns) higher: upland.

  ■ increased: uptempo.