Definition of up-and-down
1
:marked by alternate upward and downward movement, action, or surface
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From the M-W Editors
First Known Use of up-and-down
circa 1755
up and down
adverb
Definition of up and down
1
:to and fro
- paced up and down
2
:so as to move upward and then downward repeatedly
- jumping up and down
3
archaic
:here and there especially throughout an area
4
:with regard to every particular :thoroughly
- knew the territory up and down
—
up and down
prepositionFirst Known Use of up and down
12th century
UP-AND-DOWN Defined for Kids
up-and-down
adjective
\
ˌəp-ənd-ˈdau̇n
\
Definition of up-and-down for Students
1
:switching between upward and downward movement or action
2
:1perpendicular 1
- an up-and-down post
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