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Synonyms

whereby

American  
[wair-bahy, hwair-] / wɛərˈbaɪ, ʰwɛər- /

conjunction

  1. by what or by which; under the terms of which.

  2. Obsolete. by what? how?


whereby British  
/ wɛəˈbaɪ /

pronoun

  1. by or because of which

    the means whereby he took his life

"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

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

Etymology

Origin of whereby

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The files show that, at one stage, Kensington Luxury Properties proposed to Epstein a "sale and tax strategy", whereby the property would be registered with the Moroccan authorities as sold for €10m while a transaction of €20m would take place for the shares of an offshore company that owned the property.

From BBC

"Part of that will be a model whereby you qualify for an expansion league in the Premiership, but based on criteria around financial sustainability, fanbase and stadium, not just performance on the field of play."

From BBC

Nvidia chips have lead in the training of AI models, but it has faced of onslaught of competition in inference, the process whereby a trained model is applied to real-world data to generate answers through reasoning.

From BBC

"We all know the analogy whereby forests are the green lungs of the Earth," says Barthel.

From Science Daily

Nvidia is a world leader in training, whereby AI chips are programmed to identify patterns in large data sets.

From Barron's