cryptomnesia.
The phenomenon of the reappearance of a long-forgotten memory as if it were a new experience; (countable) an instance of this. Contrast cryptaesthesia.
Meaning & usage
The phenomenon of the reappearance of a long-forgotten memory as if it were a new experience; (countable) an instance of this. Contrast cryptaesthesia.
Where this word comes from
From crypto- (prefix meaning ‘hidden’) + (a)mnesia, modelled after French cryptomnésie, which was coined by Swiss psychologist and parapsychologist Théodore Flournoy (1854–1920) in his work Des Indes à la planète Mars (From India to the Planet Mars, 1899 or 1900). The English word was probably first used in the 1900 translation of Flournoy’s work: see the quotation.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.