moving alternately up and down: the up-and-down swing of levers; an up-and-down tune.
having an uneven surface: up-and-down countryside.
changeable: up-and-down luck.
perpendicular or nearly so: a straight up-and-down hillside.
- up-and-downness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use up-and-down in a sentence
Did you share his feelings about the up-and-down fourth season of the show?Alison Brie on ‘Community’s’ New Beginning, Dan Harmon’s Return, Nicolas Cage, and More | Marlow Stern | January 3, 2014 | THE DAILY BEAST
The piece consists of two classic oil pumps, doing their usual up-and-down amid the passing tourists and New Yorkers.
So you might have assumed that it would have been a straight “up-and-down” clean vote for McCain-Palin and repair to the bar.
We had no more than got fairly between the straight-up-and-down walls of it than Piegan halted us with a warning hand.Raw Gold | Bertrand W. Sinclair
It was five minutes to three, and there were fifty miles of caon and up-and-down trail over the divide to be covered.Motor Matt's "Century" Run | Stanley R. Matthews
"There iss no wrong time for seeing friends," Belle replied, in an up-and-down and very musical Welsh accent.Mushroom Town | Oliver Onions
If you chop on a board steady the point of a knife with one hand and use an up-and-down motion with the other hand.
A single up-and-down purring note replied from the bushes on her right.Novice | James H. Schmitz
British Dictionary definitions for up-and-down
moving, executed, or formed alternately upwards and downwards
mainly US very steep; vertical
backwards and forwards (along)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012