Aloft; on high; in a direction contrary to that of gravity; toward or in a higher place or position; above; -- the opposite of down.

From a lower to a higher position, literally or figuratively; as, from a recumbent or sitting position; from the mouth, toward the source, of a river; from a dependent or inferior condition; from concealment; from younger age; from a quiet state, or the like; -- used with verbs of motion expressed or implied.

In a higher place or position, literally or figuratively; in the state of having arisen; in an upright, or nearly upright, position; standing; mounted on a horse; in a condition of elevation, prominence, advance, proficiency, excitement, insurrection, or the like; -- used with verbs of rest, situation, condition, and the like; as, to be up on a hill; the lid of the box was up; prices are up.

From a lower to a higher place on, upon, or along; at a higher situation upon; at the top of.

Inclining up; tending or going up; upward; as, an up look; an up grade; the up train.

being or moving higher in position or greater in some value; being above a former position or level; "the anchor is up"; "the sun is up"; "he lay face up"; "he is up by a pawn"; "the market is up"; "the corn is up"

getting higher or more vigorous; "its an up market"; "an improving economy"

extending or moving toward a higher place; "the up staircase"; "a general upward movement of fish"

spatially or metaphorically from a lower to a higher position; "look up!"; "the music surged up"; "the fragments flew upwards"; "prices soared upwards"; "upwardly mobile"

to a higher intensity; "he turned up the volume"

to a later time; "they moved the meeting date up"; "from childhood upward"