Standard Lemma guide

prophylaxis

noun · 6 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /pɹɔfɪˈlæksɪs/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -æksɪs

1

noun

Meaning 1

The prevention of, or the protective treatment for, disease.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

Examples

  • The role of statins in prophylaxis for cardiovascular disease is well supported by the medical literature.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The prevention of, or the protective treatment for, disease.

The cleaning of a patient's teeth.

Definition source: English Wiktionary via Wiktextract

Usage: countable, sometimes, specifically, uncountable

Topics: medicine, sciences

Examples

  • We did his semiannual prophylaxis today, and his teeth and gums were found to be healthy.

Meaning relationships

Synonyms: prophy, dental

Antonyms: none provided

3

noun

Meaning 3

The prevention of, or the protective treatment for, disease.

Protective measures against acquiring a sexually transmitted disease.

Definition source: English Wiktionary via Wiktextract

Usage: countable, sometimes, specifically, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Action that works to prevent some bad outcome.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, countable, uncountable

Examples

  • The central bankers viewed these moves as prophylaxis against inflation.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Action that works to prevent some bad outcome.

A move or strategy that frustrates an opponent's plan or tactic.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, countable, uncountable

Topics: board-games, chess, games

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

the prevention of disease

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: prevention, bar

History

Etymology

From Latin, from Ancient Greek πρό (pró, “before”) + φύλαξις (phúlaxis, “a watching, guarding”).

Across languages

Translations

35 source translations are retained for this English entry.

  • Arabic: وِقَايَة (wiqāya) — prevention of, or protective treatment for disease
  • Armenian: պրոֆիլակտիկա (profilaktika) — prevention of, or protective treatment for disease
  • Armenian: կանխարգելում (kanxargelum) — prevention of, or protective treatment for disease
  • Belarusian: прафіла́ктыка (prafiláktyka) — prevention of, or protective treatment for disease
  • Bulgarian: профилактика (profilaktika) — prevention of, or protective treatment for disease
  • Catalan: profilaxi — prevention of, or protective treatment for disease
  • Chinese Mandarin: 預防 /预防 (yùfáng) — prevention of, or protective treatment for disease
  • Danish: profylakse — prevention of, or protective treatment for disease
  • Dutch: profylaxe — prevention of, or protective treatment for disease
  • Dutch: profylaxis — prevention of, or protective treatment for disease
  • Estonian: profülaktika — prevention of, or protective treatment for disease
  • Finnish: ehkäisy — prevention of, or protective treatment for disease
  • Finnish: ehkäisyhoito — prevention of, or protective treatment for disease
  • French: prophylaxie — prevention of, or protective treatment for disease
  • German: Prophylaxe — prevention of, or protective treatment for disease
  • German: Vorbeugung — prevention of, or protective treatment for disease
  • Hungarian: megelőzés — prevention of, or protective treatment for disease
  • Hungarian: kórmegelőzés — prevention of, or protective treatment for disease
  • Hungarian: profilaxis — prevention of, or protective treatment for disease
  • Hungarian: megelőző kezelés — prevention of, or protective treatment for disease
  • Irish: urchoscacht — prevention of, or protective treatment for disease
  • Italian: profilassi — prevention of, or protective treatment for disease
  • Japanese: 予防 (yobō) — prevention of, or protective treatment for disease
  • Kazakh: алдын алу (aldyn alu) — prevention of, or protective treatment for disease
  • Norwegian Bokmål: profylakse — prevention of, or protective treatment for disease
  • Norwegian Nynorsk: profylakse — prevention of, or protective treatment for disease
  • Polish: profilaktyka — prevention of, or protective treatment for disease
  • Portuguese: profilaxia — prevention of, or protective treatment for disease
  • Russian: профила́ктика (profiláktika) — prevention of, or protective treatment for disease
  • Sicilian: prufilassi — prevention of, or protective treatment for disease
  • Spanish: profilaxis — prevention of, or protective treatment for disease
  • Swedish: profylax — prevention of, or protective treatment for disease
  • Ukrainian: профіла́ктика (profiláktyka) — prevention of, or protective treatment for disease
  • Walloon: espaitchance — prevention of, or protective treatment for disease
  • Welsh: proffylacsis — prevention of, or protective treatment for disease