expectorant

noun

ex·​pec·​to·​rant ik-ˈspek-t(ə-)rənt 

: an agent that promotes the discharge or expulsion of mucus from the respiratory tract

broadly : an antitussive agent

expectorant adjective

Examples of expectorant in a Sentence

Recent Examples on the Web

Peppermint Peppermint tea may be helpful as an expectorant, clearing mucus from your airways. — Cristina Mutchler, Verywell Health, 13 Jan. 2026

Antidiarrheals, decongestants, antihistamines, nasal sprays, and expectorants, for example, can come with some possible risks. — Sarah Bradley, Parents, 22 July 2024

Antihistamines help manage seasonal allergies, while decongestants, cough suppressants and expectorants target respiratory symptoms – though some of these are more effective than others. — Daryl Austin, USA Today, 22 Dec. 2025

Word History

First Known Use

1782, in the meaning defined above

Kids Definition

expectorant

noun

ex·​pec·​to·​rant ik-ˈspek-t(ə-)rənt 

: an agent that promotes the discharge of mucus from the respiratory tract

expectorant adjective

Medical Definition

expectorant

1 of 2 adjective

ex·​pec·​to·​rant ik-ˈspek-t(ə-)rənt 

: having the activity of an expectorant

expectorant

2 of 2 noun

: an agent that promotes the discharge or expulsion of mucus from the respiratory tract

broadly : antitussive