whereby

conjunction
where·​by | \ (h)wer-ˈbī How to pronounce whereby (audio) , (ˌ)(h)wər- \

Definition of whereby

 (Entry 1 of 2)

: by, through, or in accordance with which

whereby

adverb

Definition of whereby (Entry 2 of 2)

obsolete
: by what : how

First Known Use of whereby

Conjunction

13th century, in the meaning defined above

Adverb

14th century, in the meaning defined above

Keep scrolling for more

Learn More about whereby

Time Traveler for whereby

Time Traveler

The first known use of whereby was in the 13th century

See more words from the same century

Statistics for whereby

Cite this Entry

“Whereby.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whereby. Accessed 14 Apr. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for whereby

whereby

conjunction

English Language Learners Definition of whereby

: by which : according to which

whereby

adverb
where·​by | \ hwer-ˈbī How to pronounce whereby (audio) , wer- \

Kids Definition of whereby

: by or through which We made a deal whereby we each took turns.

More from Merriam-Webster on whereby

Nglish: Translation of whereby for Spanish Speakers

Britannica English: Translation of whereby for Arabic Speakers

Comments on whereby

What made you want to look up whereby? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!