Delirifacient

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any substance that causes delirium. archaic

    "Irregular action of the heart in a person falling asleep produces the well-known sensation of suddenly falling through space, and it seems quite possible that the combination of a delirifacient like belladonna with a drug producing irregular action of the heart like aconite might produce the sensation of flying."

Adjective
  1. 1
    Producing, or tending to produce, delirium. archaic

Example

More examples

"Irregular action of the heart in a person falling asleep produces the well-known sensation of suddenly falling through space, and it seems quite possible that the combination of a delirifacient like belladonna with a drug producing irregular action of the heart like aconite might produce the sensation of flying."

Etymology

From delirium + Latin faciens, facientis, present participle of facere (“to make”).

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