whereby

[ wair-bahy, hwair- ]
See synonyms for whereby on Thesaurus.com
conjunction, adverb
  1. by what or by which; under the terms of which.

  2. Obsolete. by what? how?

Origin of whereby

1
First recorded in 1150–1200, whereby is from the Middle English word wherby.See where, by

Words Nearby whereby

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use whereby in a sentence

  • The deposed ruler plotted and planned all kinds of schemes whereby he might be restored to his old position of authority.

    Our Little Korean Cousin | H. Lee M. Pike
  • This was no longer a plan whereby all might be poor together, but a proposal that all should be rich together.

  • More recently general statutes have been enacted whereby individuals may form such corporations without the aid of a legislature.

  • Or, better still, was his uncle's death to be the means whereby he could climb to greatness and renown?

    The Everlasting Arms | Joseph Hocking
  • Then Dick Moy showed him a plan whereby he caught half a dozen birds in as many minutes.

British Dictionary definitions for whereby

whereby

/ (wɛəˈbaɪ) /


pronoun
  1. by or because of which: the means whereby he took his life

adverb
  1. archaic how? by what means?: whereby does he recognize me?

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