Anticholinergic

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any of a class of drugs, typically used to treat various disorders and some forms of poisoning, which inhibit the physiological action of acetylcholine at a receptor site.

    "While the hallucinations produced by jimsonweed and other anticholinergics are frequently described as frightening or even “nightmarish,” the toxic anticholinergic syndrome caused by jimsonweed can include seizures, CNS depression, respiratory failure, and cardiac abnormalities, all of which can be life-threatening."

  2. 2
    a substance that opposes or blocks the action of acetylcholine wordnet
Adjective
  1. 1
    That inhibits the physiological action of acetylcholine at a receptor site.
Adjective
  1. 1
    inhibiting or blocking the action of acetylcholine at a receptor site wordnet

Synonyms

All synonyms
anticholinergenicanticholinergic drug

Example

More examples

"While the hallucinations produced by jimsonweed and other anticholinergics are frequently described as frightening or even “nightmarish,” the toxic anticholinergic syndrome caused by jimsonweed can include seizures, CNS depression, respiratory failure, and cardiac abnormalities, all of which can be life-threatening."

Etymology

From anti- + cholinergic.

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