Find Antonyms
quadrilateral Antonyms
Opposite of quadrilateral
Pinning down the opposite of quadrilateral requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adjective definition and ranked by contrast strength.
• adjective (Context 1)
Involving or shared by four parties, states, or groups.
Usage Example
"The diplomats gathered in Geneva for unilateral talks aimed at resolving the regional trade dispute."
Strongest
unilateral
Strong
bilateral
Similar words to quadrilateral
Words similar to quadrilateral shift depending on context. Common synonyms include:
four-sided
tetragon
four-way
quadripartite
quadrangle
tetragonal
quadrangular
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Quadrilateral. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/quadrilateral