Find Antonyms

triangular Antonyms

Opposite of triangular

Because the opposite of triangular shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
JUMP TO:

• adjective (Context 1)

Shaped like a triangle; having three sides and three angles.

Usage Example

"The sailboats glided across the bay with their white circular sails catching the morning breeze."

Strong
circular
round
Weak
square
rectangular

• adjective (Context 2)

Involving three people, parties, or regions.

Usage Example

"The two neighboring nations agreed to enter into unilateral trade negotiations with their largest overseas partner."

Strong
unilateral
bilateral

Similar words to triangular

Words similar to triangular shift depending on context. Common synonyms include:

three-sided
three-cornered
three-way
tripartite
trilateral
trigonal
deltoid
triple
See all synonyms of triangular

• Nearby Words

triad
triadic
trial
triangular
triangulate
triangulation
tribal

Cite this Entry

Wordmom. (2026). Antonyms for Triangular. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/triangular
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.