Standard Lemma guide

cosignatory

adj · 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

adj

Meaning 1

signed or signing jointly

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

2

noun

Meaning 2

Any of several people who sign a document together (especially a treaty)

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

signing jointly with others

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

one of two or more signers of the same document (as a treaty or declaration)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: cosigner

Antonyms: none provided

Broader terms: signer, signatory

History

Etymology

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- English signatory English cosignatory From co- + signatory.

Across languages

Translations

12 source translations are retained for this English entry.

  • Italian: cofirmatario — signed jointly
  • Dutch: medeondertekenaar — any of several people who sign a document together
  • Finnish: allekirjoittaja — any of several people who sign a document together
  • Finnish: yksi allekirjoittajista — any of several people who sign a document together
  • French: cosignataire — any of several people who sign a document together
  • German: Mitunterzeichner — any of several people who sign a document together
  • Italian: cofirmatario — any of several people who sign a document together
  • Macedonian: сопотписник (sopotpisnik) — any of several people who sign a document together
  • Manx: co-screeuder — any of several people who sign a document together
  • Polish: konsygnatariusz — any of several people who sign a document together
  • Romanian: cosemnatar — any of several people who sign a document together
  • Tagalog: kalagda — any of several people who sign a document together