Capable of relieving or suppressing coughing.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "antitussive" in a sentence
"How about the Contac commercial that compared other cold remedies by describing one as containing an "antitussive" and another an "analgesic, not present in Contac.""
"Cough syrup (antitussive, to quiet a cough) - 37.2%."
"Hydrocodone is an antitussive cough suppressant and analgesic agent for the treatment of moderate to moderately severe pain."