Meaning of up-and-down


Pronunciation: (up'un-doun'), [key]
— adj.
  1. moving alternately up and down: the up-and-down swing of levers; an up-and-down tune.
  2. having an uneven surface: up-and-down countryside.
  3. changeable: up-and-down luck.
  4. perpendicular or nearly so: a straight up-and-down hillside.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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