Standard Lemma guide

trihexyphenidyl

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ˌtɹʌɪ.hɛk.sɪˈfɛn.ɪ.dʌɪl/
  • Received-Pronunciation: /ˌtɹʌɪ.hɛk.sɪˈfɛn.ɪ.dɪl/
  • Received-Pronunciation: /ˌtɹʌɪ.hɛk.sɪˈfiː.nɪ.dʌɪl/
  • General-American: /tɹaɪˌhɛk.sɪˈfɛn.ɪˌdɪl/

1

noun

Meaning 1

An antimuscarinic drug that has an antispasmodic action on smooth muscle and is used to treat parkinsonism and some other movement disorders.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From tri- + hexy(l) + pheny(l) + -dyl (“vasodilator”).