backward and forward
Idioms-
Also, backwards and forwards.
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Same as back and forth .
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Thoroughly, completely, as in He read the speech over and over, until he knew it backwards and forwards . [Late 1500s]
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.