# unbeknownst

> English word · Adjective · IPA /ˌʌnbɪˈnoʊnst/ · frequency rank #38,664

## Definitions
1. Without the knowledge of.

## Etymology
Variant of unbeknown with excrescent -st.

## Common misspellings (18)
`nubeknownst`, `ubneknownst`, `unbbeknownst`, `unbekknownst`, `unbeknnownst`, `unbeknonwst`, `unbeknownnst`, `unbeknownsst`, `unbeknownstt`, `unbeknownts`, `unbeknowsnt`, `unbeknowwnst`, `unbeknwonst`, `unbekonwnst`, `unbenkownst`, `unbkenownst`, `unebknownst`, `unnbeknownst`

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