Phrase guide

protease inhibitor

noun · 3 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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No pronunciation record was provided for this word.

1

noun

Meaning 1

Any molecule that inhibits the function of proteases (enzymes that aid the cleavage of proteins), e.g. alpha-1 antitrypsin.

Definition source: English Wiktionary via Wiktextract

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: antiprotease

Antonyms: none provided

2

noun

Meaning 2

Any of a class of medications that act by interfering with proteases, used to treat or prevent viral infections including HIV/AIDS and hepatitis C.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: PI

Antonyms: none provided

3

noun

Meaning 3

an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: PI

Antonyms: none provided

Broader terms: antiviral, antiviral agent, antiviral drug

Narrower terms: indinavir, Crixivan, nelfinavir, Viracept, ritonavir, Norvir, saquinavir, Invirase

History

Etymology

No etymology was provided for this word.

Across languages

Translations

4 source translations are retained for this English entry.

  • Finnish: proteaasi-inhibiittori — class of medications
  • Finnish: proteaasin estäjä — class of medications
  • Hungarian: proteázgátló — class of medications
  • Hungarian: proteázinhibitor — class of medications