adv

• Indicating movement towards or location at a higher place or position.
  "Gold has gone up with the uncertainty in the world markets."
• Indicating movement in any other direction visualised as "up".
• Indicating movement in any other direction visualised as "up".
  "She's going up to read Classics this September."
• Indicating movement in any other direction visualised as "up".

prep

• (vulgar slang) Of a person: having sex with.
  "Phwoar, look at that bird. I'd love to be up her."
• (colloquial) At (a given place, especially one imagined to be higher or more distant from a central location).
  "I'll see you later up the snooker club."

adj

• (by extension) Available to view or use; made public; posted.
  "Is your new video up yet? I looked on the website, but I couldn't find it."
• (obsolete) Risen up, rebelling, in revolt.
  "The fearefull newes that whilſt the flame doth but begin, Sad pollicie may ſerue to quench the fire: The Commons nowe are vp in Kent, let vs not ſuffer this firſt attempt too farre."
• (horse-racing) Riding the horse; mounted.
• (of the sun or moon) Above the horizon, in the sky.
  "It'll get warmer once the sun's up."

noun

• (uncountable) The direction opposed to the pull of gravity.
  "Up is a good way to go."
• (countable) A positive thing, or a time or situation when things are going well.
  "I hate almost everything about my job. The only up is that it's so close to home."
• (particle physics) An up quark.