# be onto nothing

> English word · Verb

## Definitions
1. To mistakenly believe one has reached an important insight, despite not having done so.

## Etymology
Humorous reversal of be onto something.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/be-onto-nothing