Promnesia

//pɹɑmˈniː.ʒə// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Déjà vu, a sense of having experienced some event before due to an imagined memory. neologism, uncountable

Synonyms

All synonyms
déjà vu

Etymology

Coined by philologist and psychical researcher Frederic W. H. Myers (1843-1901) from Ancient Greek προ- (pro-, “pre-, before”) + μνήμη (mnḗmē, “memory”) + -ία (-ía) on the model of amnesia, from Proto-Indo-European *men- (“to think, mind”). Compare Greek προμνησία (promnisía).

Related phrases

déjà vu

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.