an·​ti·​tus·​sive ˌan-tē-ˈtə-siv How to pronounce antitussive (audio) ˌan-tī- How to pronounce antitussive (audio)
: a cough suppressant
antitussive adjective

Word History

First Known Use

circa 1909, in the meaning defined above

Time Traveler
The first known use of antitussive was circa 1909

Dictionary Entries Near antitussive

Cite this Entry

“Antitussive.” Dictionary, Merriam-Webster, Accessed 27 Feb. 2024.

Medical Definition


1 of 2 adjective
an·​ti·​tus·​sive ˌant-i-ˈtəs-iv How to pronounce antitussive (audio) ˌan-ˌtī- How to pronounce antitussive (audio)
: tending or having the power to act as a cough suppressant
antitussive action


2 of 2 noun
: a cough suppressant
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