Cosponsor

noun, verb

noun, verb ·3 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A joint sponsor.
Verb
  1. 1
    To sponsor jointly with another.
  2. 2
    sponsor together with another sponsor wordnet

Etymology

From co- + sponsor.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.