Standard Lemma guide

montelukast

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /ˌmɑn.təˈluːˌkæst/
  • General-American: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A leukotriene antagonist (trademark Singulair) used orally in the form of its sodium salt C35H35ClNNaO3S to treat asthma or to relieve the symptoms of seasonal allergic rhinitis.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Mont(r)e(al) + -lukast (“leukotriene receptor antagonist”), named after the city of Montreal, where the drug was developed by Merck in 1991.