Up and down Meaning, Definition & Usage

  1. adverb moving backward and forward along a given course
    • he walked up and down the locker room
    • all up and down the Eastern seaboard
  2. adverb alternately upward and downward
    • he eyed him up and down

WordNet

Definitions
  1. with rising and falling motion; to and fro; hither and thither; everywhere. "Let them wander up and down." Ps. lix. 15.
Definitions
  1. . (a) First up, and then down; from one state or position to another. See under Down, adv.
    Fortune . . . led him up and down. Chaucer.
    (b) (Naut.) Vertical; perpendicular; said of the cable when the anchor is under, or nearly under, the hawse hole, and the cable is taut. Totten.

Webster 1913