/ Thesaurus / A Synonyms of alpha blocker Find synonyms for: Noun1. alpha blocker, alpha-blocker, alpha-adrenergic blocker, alpha-adrenergic blocking agent, blocker, blocking agentusage: any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language