Phrase guide

run-on sentence

noun · 4 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.

No pronunciation record was provided for this word.

1

noun

Meaning 1

A written sentence that inappropriately joins two (or more) independent clauses into a single sentence, often with only a comma as separator (comma splice), which should be rendered either as separate sentences or as clauses joined more appropriately (such as by a semicolon or by a comma and coordinating conjunction).

Definition source: English Wiktionary via Wiktextract

Topics: grammar, human-sciences, linguistics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: fused sentence

Antonyms: none provided

Narrower terms: comma splice

2

noun

Meaning 2

A written sentence that inappropriately joins two (or more) independent clauses into a single sentence, often with only a comma as separator (comma splice), which should be rendered either as separate sentences or as clauses joined more appropriately (such as by a semicolon or by a comma and coordinating conjunction).

A written sentence with a coordinating conjunction but missing a comma.

Definition source: English Wiktionary via Wiktextract

Topics: grammar, human-sciences, linguistics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: fused sentence

Antonyms: none provided

Narrower terms: comma splice

3

noun

Meaning 3

Any very long, often also in other ways badly formed or even chaotic sentence.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

an ungrammatical sentence in which two or more independent clauses are conjoined without a conjunction

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: sentence

History

Etymology

So called because the sentence runs on beyond the point where it should end.

Across languages

Translations

4 source translations are retained for this English entry.

  • German: Bandwurmsatz — Translations
  • Spanish: oración mal puntuada — Translations
  • Spanish: oración fusionada — Translations
  • Spanish: oración continua — Translations