Primary
''imbecile'' ▫ᴱᴺ|Definition|1st|20260320113731-00-⌔
imbecile - Wiktionary, the free dictionary
English
Noun
imbecile (plural imbeciles)
- (obsolete) A person with limited mental capacity who can perform tasks and think only like a young child, in medical circles meaning a person who lacks the capacity to develop beyond the mental age of a normal five- to seven-year-old child.
- ✤ It is an offence for a man to have unlawful sexual intercourse with a woman whom he knows to be an idiot or imbecile.1
- (derogatory) A fool, an idiot.
Adjective
imbecile (comparative more imbecile, superlative most imbecile)
- (dated) Destitute of strength, whether of body or mind; feeble; impotent; especially, mentally weak.
- ✤ hospitals for the imbecile and insane
- ✤ And then that imbecile crowd down on the deck started their little fun, and I could see nothing more for smoke.4
Etymology
Borrowed from Middle French imbécile, from Latin imbēcillus (“weak, feeble”), literally “without a staff”.
Pronunciation
- (Received Pronunciation) IPA: /ɪmbəˈsiːl/
- (General American) IPA: /ˈɪmbəsɪl/, /ˈɪmbəsəl/
- (obsolete) IPA: /ɪmˈbɛsɪl/5
Printed 2026-06-28.
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Link to original Footnotes
1956, Parliament of the United Kingdom, “Part I, section 7”, in Sexual Offences Act 1956 , page 2: ↩
1954, Samuel Beckett, Waiting for Godot , →ISBN, page 5: ↩
2017, David Walliams [pseudonym; David Edward Williams], Bad Dad, London: HarperCollins Children’s Books, →ISBN: ↩
1899 April, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number MII, New York, N.Y.: The Leonard Scott Publishing Company, […], →OCLC, part III (Conclusion), page 647: ↩
Walker, John (1791), “Imbecile”, in *A Critical Pronouncing Dictionary […] *, London: G. G. J. and J. Robinſon […] and T. Cadell, →OCLC, page 289, column 3 of 3. ↩
Secondary
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