non compos

A form of non compos mentis — Insane; not of sound mind; not in control of oneself.

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Meanings

adjectivenon compos (not comparable)
  1. alternativenot comparableAlternative form of non compos mentis.

    When Noah in ark, with his ſons did embark, / Prediluvians, uplifted and pompous, / Deem’d his nautical ſcheme a fantaſtical dream, / And pronounc’d the projector non compos.

    1786 November, The County Magazine, for the Years 1786 and 1787, volume I, Salisbury: […] B. C. Collins, and by S. Crowder, in London, published 1788, page 173
    1 more example

    ‘I don’t mean,’ […] ‘that you have been non compos, and were locked up, you know; but the information I desire to elicit is whether you have been among the maddies over the water.’

    1868 November, an Outsider [pseudonym], “Inside Bedlam”, in Tinsleys’ Magazine, volume III, London: Tinsley Brothers, →OCLC, page 456, column 2

Synonyms & antonyms

Also see
non compos mentis

Origin

Latin

Full word history & related roots →
Cite this entry
APA

non compos. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/non%20compos

MLA

“non compos.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/non%20compos. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “non compos,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/non%20compos.

Source: non compos on Wiktionary, CC BY-SA 4.0.