# whereby

> English word · Adverb · IPA /wɛə(ɹ)ˈbaɪ/ · frequency rank #10,636

## Definitions
1. By what, in which direction; how.
2. By which.
3. Where, wherein, in which.

## Etymology
From where + by.

## Easily confused with
- **wheres** (https://plainspell.com/en/vs/whereby-vs-wheres)
- **wherein** (https://plainspell.com/en/vs/whereby-vs-wherein)
- **where** (https://plainspell.com/en/vs/where-vs-whereby)
- **whereas** (https://plainspell.com/en/vs/whereas-vs-whereby)
- **where's** (https://plainspell.com/en/vs/where-s-vs-whereby)
- **where'd** (https://plainspell.com/en/vs/where-d-vs-whereby)

## Common misspellings (11)
`hwereby`, `wehreby`, `wheerby`, `wherbey`, `wherebby`, `wherebyy`, `whereyb`, `wherreby`, `whhereby`, `whreeby`, `wwhereby`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/whereby