Standard Lemma guide

synonymous

adj · 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.

  • UK: /sɪˈnɒnɪməs/
  • US: /sɪˈnɑnɪməs/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S AH0 N AA1 N AH0 M AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Having a similar (sometimes identical) meaning. (See Usage notes below)

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Qualifier: particularly in semantics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Of, or being a synonym.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Such that both its forms yield the same sequenced protein.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: biology, genetics, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective

Meaning 4

(of words) meaning the same or nearly the same

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: antonymous

History

Etymology

From Medieval Latin synōnymus, from Ancient Greek συνώνυμος (sunṓnumos). By surface analysis, synonym + -ous.

Across languages

Translations

86 source translations are retained for this English entry.

  • Breton: heñvelster — having an identical meaning
  • Bulgarian: еднозначен (ednoznačen) — having an identical meaning
  • Catalan: sinònim — having an identical meaning
  • Czech: synonymní — having an identical meaning
  • Czech: souznačný — having an identical meaning
  • Dutch: gelijkbetekenend — having an identical meaning
  • Esperanto: sinonima — having an identical meaning
  • West-Frisian: lykbetsjuttend — having an identical meaning
  • Galician: sinónimo — having an identical meaning
  • Georgian: სინონიმური (sinonimuri) — having an identical meaning
  • German: bedeutungsgleich — having an identical meaning
  • German: gleichbedeutend — having an identical meaning
  • German: synonym — having an identical meaning
  • German: synonymisch — having an identical meaning
  • Ancient Greek: συνώνυμος (sunṓnumos) — having an identical meaning
  • Hindi: समानार्थक (samānārthak) — having an identical meaning
  • Irish: comhchiallach — having an identical meaning
  • Kazakh: синонимдес (sinonimdes) — having an identical meaning
  • Latin: synonymos — having an identical meaning
  • Latin: synonymus — having an identical meaning
  • Latvian: sinonīms — having an identical meaning
  • Latvian: sinonīmisks — having an identical meaning
  • Polish: równoznaczny — having an identical meaning
  • Polish: synonimiczny — having an identical meaning
  • Polish: bliskoznaczny — having an identical meaning
  • Portuguese: sinónimo — having an identical meaning
  • Portuguese: sinônimo — having an identical meaning
  • Russian: синоними́чный (sinonimíčnyj) — having an identical meaning
  • Russian: синоними́ческий (sinonimíčeskij) — having an identical meaning
  • Spanish: sinónimo — having an identical meaning
  • Swedish: liktydig — having an identical meaning
  • Ukrainian: синонімі́чний (synonimíčnyj) — having an identical meaning
  • Welsh: cyfystyr — having an identical meaning
  • Catalan: sinònim — having a similar meaning
  • Czech: synonymní — having a similar meaning
  • Czech: souznačný — having a similar meaning
  • Dutch: synoniem — having a similar meaning
  • Estonian: sünonüümne — having a similar meaning
  • Finnish: synonyyminen — having a similar meaning
  • Finnish: samanmerkityksinen — having a similar meaning
  • Galician: sinónimo — having a similar meaning
  • Georgian: სინონიმური (sinonimuri) — having a similar meaning
  • German: bedeutungsähnlich — having a similar meaning
  • German: sinnverwandt — having a similar meaning
  • German: synonym — having a similar meaning
  • Hindi: समानार्थक (samānārthak) — having a similar meaning
  • Hungarian: szinonim — having a similar meaning
  • Hungarian: rokon értelmű — having a similar meaning
  • Italian: sinonimo — having a similar meaning
  • Latvian: sinonīms — having a similar meaning
  • Latvian: sinonīmisks — having a similar meaning
  • Polish: bliskoznaczny — having a similar meaning
  • Polish: synonimiczny — having a similar meaning
  • Portuguese: sinónimo — having a similar meaning
  • Portuguese: sinônimo — having a similar meaning
  • Russian: синоними́чный (sinonimíčnyj) — having a similar meaning
  • Serbo-Croatian: istoznačan — having a similar meaning
  • Serbo-Croatian: sinoniman — having a similar meaning
  • Spanish: sinónimo — having a similar meaning
  • Swedish: synonym — having a similar meaning
  • Ukrainian: синонімі́чний (synonimíčnyj) — having a similar meaning
  • Volapük: leigasinifik — having a similar meaning
  • Volapük: otsinifik — having a similar meaning
  • Bulgarian: синонимен (sinonimen) — of, or being a synonym
  • Dutch: evenwoordig — of, or being a synonym
  • Dutch: synoniem — of, or being a synonym
  • Estonian: sünonüümne — of, or being a synonym
  • Finnish: synonyyminen — of, or being a synonym
  • Galician: sinónimo — of, or being a synonym
  • Georgian: სინონიმური (sinonimuri) — of, or being a synonym
  • German: synonym — of, or being a synonym
  • Hindi: समानार्थक (samānārthak) — of, or being a synonym
  • Kazakh: синонимдік (sinonimdık) — of, or being a synonym
  • Latvian: sinonīms — of, or being a synonym
  • Latvian: sinonīmisks — of, or being a synonym
  • Portuguese: sinónimo — of, or being a synonym
  • Portuguese: sinônimo — of, or being a synonym
  • Spanish: sinónimo — of, or being a synonym
  • Swedish: synonym — of, or being a synonym
  • Volapük: leigasinifavödik — of, or being a synonym
  • Volapük: otsinifavödik — of, or being a synonym
  • French: synonyme — genetics: with both forms yielding the same protein
  • Italian: sinonimo — genetics: with both forms yielding the same protein
  • Portuguese: sinónimo — genetics: with both forms yielding the same protein
  • Portuguese: sinônimo — genetics: with both forms yielding the same protein
  • Spanish: sinónimo — genetics: with both forms yielding the same protein