Etymology: partly from Middle English up upward, from Old English ūp; partly from Middle English uppe on high, from Old English; both akin to Old High German ūf up and probably to Latin sub under, Greek hypo under, hyper over — more at over
Date: before 12th century
1 a (1): in or into a higher position or level; especially: away from the center of the earth (2): from beneath the ground or water to the surface (3): from below the horizon (4):upstream 1 (5): in or into an upright position <sit up>; especially: out of bed b: upward from the ground or surface <pull up a daisy>c: so as to expose a particular surface 2: with greater intensity <speak up> 3 a: in or into a better or more advanced state b: at an end <your time is up>c: in or into a state of greater intensity or excitement d: to or at a greater speed, rate, or amount <prices went up>e: in a continual sequence : in continuance from a point or to a point <from third grade up><at prices of $10 and up><up until now> 4 a (1): into existence, evidence, prominence, or prevalence (2): into operation or practical form b: into consideration or attention <bring up for discussion> 5: into possession or custody 6 a:entirely, completely<button up your coat>b —used as an intensifier <clean up the house> 7: in or into storage :by<lay up supplies> 8 a: so as to arrive or approach b: in a direction conventionally the opposite of down: (1): to windward (2):northward(3): to or at the top (4): to or at the rear of a theatrical stage 9: in or into parts 10: to a stop —usually used with draw, bring, fetch, or pull 11: for each side <the score is 15 up>