Phrase guide

fault line

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

The line formed by the intersection of the plane of a fault with the surface of the Earth.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A minor split (in public opinion, etc.) that may develop into something larger.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

(geology) line determined by the intersection of a geological fault and the earth's surface

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: line

History

Etymology

No etymology was provided for this word.

Across languages

Translations

10 source translations are retained for this English entry.

  • Arabic: خط الصدع — geology: intersection
  • Finnish: siirroslinja — geology: intersection
  • Finnish: siirros — geology: intersection
  • French: ligne de faille — geology: intersection
  • Hungarian: törésvonal — geology: intersection
  • Irish: éasclíne — geology: intersection
  • Italian: linea di faglia — geology: intersection
  • Māori: ripa hapa — geology: intersection
  • Polish: linia uskoku — geology: intersection
  • Turkish: fay hattı — geology: intersection