up-and-down

up-and-down

[uhp-uhn-doun]
adjective
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.

Origin:
1610–20

up-and-downness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
up-and-down
 
adj
1.  moving, executed, or formed alternately upwards and downwards
2.  chiefly (US) very steep; vertical
 
adv, —prep
3.  backwards and forwards (along)

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