Dictionary.com
definitions

antitussive

[an-tee-tuhs-iv, an-tahy-]Pharmacology
adjective
  1. of or relating to a substance that is used to suppress coughing.
noun
  1. any such substance, as codeine.

Origin of antitussive

First recorded in 1905–10; anti- + tussive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for antitussive

antitussive

adjective
  1. alleviating or suppressing coughing
noun
  1. an antitussive drug

Word Origin for antitussive

from anti- + Latin tussis a cough
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
antitussive in Medicine

antitussive

[ăn′tē-tŭs′ĭv, ăn′tī-]
adj.
  1. Capable of relieving or suppressing coughing.
Related formsan′ti•tus′sive n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.