# thinko

> English word · Noun · IPA /θɪŋkəʊ/

## Definitions
1. A careless mistake made in thinking.

## Etymology
From think + -o, on the model of typo (“typographical error”).

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