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up-and-down

[ uhp-uhn-doun ]
/ ˈʌp ənˈdaʊn /
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adjective

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.

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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Origin of up-and-down

First recorded in 1610–20
up-and-downness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for up-and-down

up-and-down

adjective

moving, executed, or formed alternately upwards and downwards
mainly US very steep; vertical

adverb, preposition up and down

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
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