Standard Lemma guide

nelfinavir

noun · 2 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: /nɛlˈfɪn.əˌvɪɹ/

1

noun

Meaning 1

An antiretroviral drug (trademark Viracept) of the protease inhibitor class that is used in the form of its mesilate C32H45N3O4S·CH4O3S to treat HIV infected patients.

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

2

noun

Meaning 2

a protease inhibitor (trade name Viracept) used in treating HIV usually in combination with other drugs

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Viracept

Antonyms: none provided

Broader terms: protease inhibitor, PI

History

Etymology

From [Term?] + -navir (“HIV protease inhibitor”).