Standard Lemma guide

prazosin

noun · 2 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈpɹeɪ.zəs.ɪn/

1

noun

Meaning 1

An alpha-blocker used chiefly as a smooth muscle relaxant, especially in the treatment of hypertension and benign prostatic hyperplasia.

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

2

noun

Meaning 2

antihypertensive drug (trade name Minipress)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Minipress

Antonyms: none provided

Broader terms: alpha blocker, alpha-blocker, alpha-adrenergic blocker, alpha-adrenergic blocking agent, antihypertensive, antihypertensive drug

History

Etymology

Probably from (pi)p(e)raz(ine) + -o- + -in.