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moving first in one direction and then in the opposite direction many times
an object that moves from side to side moves from left to right, then from right to left, then back again
backwards and forwards
in one direction and then back again
moving up and down with large regular movements
moving in two opposite directions
in many different directions
moving to many different parts or areas, or in different directions
a start-up … whose value has reached more than one billion US dollars
to ask people to vote in order to decide an issue
an afternoon full of crafts
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Free thesaurus definition of describing movement up and down or backwards and forwards from the Macmillan English Dictionary - a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.