up
verb
°Away from the center of the Earth or other planet; in opposite direction to the downward pull of gravity.
"I looked up and saw the airplane overhead."
"I will mix up the puzzle pieces."
preposition
°Toward the top of.
"The cat went up the tree."
°Further along (in any direction).
"Go up the street until you see the sign."
adjective
°Awake.
"I can’t believe it’s 3 a.m. and you’re still up."
°Finished, to an end.
"Time is up!"
noun
°The direction opposed to the pull of gravity.
°a positive thing.
"I hate almost everything about my job. The only up is that it's so close to home."
synonyms: turn up

down
noun
°(obsolete _ except in place-names) Hill, rolling grassland (such as "Churchill Downs", "Upson Downs" from Auntie Mame, by Patrick Dennis).
°(usually plural) Field, especially for racing.
verb
°From a higher position to a lower one; downwards.
°At a lower place or position.
preposition
°From the higher end to the lower of.
°From one end to another of.
adjective
°Depressed, feeling low.
°On a lower level than before.

turn around
noun
°alternative spelling of turnaround.
verb
°To physically rotate horizontally 360 degrees.
°To change to the opposite direction from a previous position.