Word.ws English Dictionary

thinko

/θɪŋkəʊ/

thinko noun: a careless mistake made in thinking.

Noun

thinko (plural thinkos)

  1. (slang) A careless mistake made in thinking.
    • I must have done quite a thinko, but I don't remember leaving my keys in the refrigerator.
    • We need to face the fact that thinkos are likely to be much more important, even though such a source of noise is much harder to model.1998, K. G. Binmore, Game Theory and the Social Contract, Volume 2: Just Playing, page 34
    Synonyms:
    brain fart

Verb

thinko (third-person singular simple present thinkos, present participle thinkoing, simple past and past participle thinkoed or thinko'd)

  1. (intransitive, slang, transitive) To make a mistake when thinking.

Examples of thinko in a sentence

  • Your only defense against thinkos is a careful read.2006, Kristen B. Donohue, “Misused Words and Other Witing Gaffes: A Manager's Primer”, in Written Communications that Inform and Influence...
  • I don't know about you, but I don't want to grovel through a bunch of code blocks to track down a typo or thinko.2008, Kurt Wall, Tcl and Tk Programming for the Absolute Beginner, page 134:
  • There are two kinds of linguistic missteps, the typos and the thinkos.2009, Geoff Nunberg, Going Nucular: Language, Politics, and Culture in Confrontational Times, page 59:

Synonyms of thinko

Forms of thinko

Noun
pluralthinkos
Verb
third-person singular presentthinkos
present participlethinkoing
past participlethinkoed
pastthinkoed
past participlethinko'd
pastthinko'd

Origin of thinko

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

Words that rhyme with thinko

Questions about thinko

What does thinko mean?
Thinko means a careless mistake made in thinking.
How do you use thinko in a sentence?
Your only defense against thinkos is a careful read.
What part of speech is thinko?
Thinko can be a noun or a verb.
How do you pronounce thinko?
Thinko is pronounced /θɪŋkəʊ/.
What is the plural of thinko?
The plural of thinko is thinkos.

Words near thinko in the dictionary

  1. thinking-caps
  2. thinkingly
  3. thinkingness
  4. thinkings
  5. thinkism
  6. thinko
  7. thinko'd
  8. thinkoed
  9. thinkoing
  10. thinkos
  11. thinkpiece

Source and license

Adapted from Wiktionary: thinko (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-thinko.ogg.

Cite this entry: “thinko.” Word.ws, https://word.ws/thinko. Based on Wiktionary, CC BY-SA 4.0.