up

IPA: ˈʌp

(uncountable) The direction opposed to the pull of gravity.
(countable) A positive thing, or a time or situation when things are going well.
(particle physics) An up quark.
An upstairs room of a two story house.
Initialism of Upper Peninsula. [The northern of the two peninsulas that make up the US state of Michigan.]
(religion) Initialism of United Presbyterian.
(India) Initialism of Uttar Pradesh. [A state in northern India. Capital: Lucknow.]
(software) Initialism of Unified Process.
(Philippines) Initialism of University of the Philippines.
Initialism of unqualified prospect. [A person or company that is a potential client for a sale, but who has not been previously vetted.]
Initialism of university press.

(transitive, poetic or in certain phrases) To physically raise or lift.
(transitive, colloquial) To increase the level or amount of.
(transitive, colloquial) To promote.
(intransitive, often in combination with another verb) To rise to a standing position; hence, by extension, to act suddenly; see also up and.
(intransitive, archaic or poetic) To ascend; to climb up.
(computing, slang, transitive) To upload.

Facing upwards.
On or at a physically higher level.
Headed or designated to go upward (as an escalator, stairway, elevator etc.) or toward (as a run-up).
Fitted or fixed at a high or relatively high position, especially on a wall or ceiling.
(by extension) Available to view or use; made public; posted.
Aloft.
Raised; lifted.
Built, constructed.
Standing; upright.
(obsolete) Risen up, rebelling, in revolt.
Awake and out of bed.
(horse-racing) Riding the horse; mounted.
(of the sun or moon) Above the horizon, in the sky.
Larger; greater in quantity, volume, value etc.
Indicating a larger or higher quantity.
Ahead; leading; winning.
Finished, to an end
In a good mood.
(usually in the phrase up for) Willing; ready.
Next in a sequence.
(not used attributively) Happening; new; of concern. See also what's up, what's up with.
(poker, postnominal) Said of the higher-ranking pair in a two pair.
Well-informed; current.
(computing) Functional; working.
(of a railway line or train) Traveling towards a major terminus.
(US, bartending) Chilled and served without ice.
(slang) Erect.
(UK) At university (especially Oxford or Cambridge).
(slang, graffiti) well-known; renowned

Away from the surface of the Earth or other planet; in opposite direction to the downward pull of gravity.
To or at a physically higher or more elevated position.
To a higher level of some quantity or notional quantity, such as price, volume, pitch, happiness, etc.
To or in a position of equal advance or equality; not short of, back of, less advanced than, away from, etc.; usually followed by to or with.
(intensifier) Used as an aspect marker to indicate a completed action or state; thoroughly, completely.
To or from one's possession or consideration.
To the north (as north is at the top of typical maps).
Towards or at a central place, or any place that is visualised as 'up' by virtue of local features or local convention, or arbitrarily, irrespective of direction or elevation change.
(rail transport) Towards the principal terminus, towards milepost zero.
Aside or away, so as no longer to be present or in use.
(sailing) Against the wind or current.
(Cartesian graph) In a positive vertical direction.
(cricket) Relatively close to the batsman.
(US, bartending) Without additional ice.
(UK, academia, dated) To university, especially to Cambridge or Oxford.

Examples of "up" in Sentences