Synonyms & related words for octagonal

Find synonyms, related words, and the definition of octagonal — including hexagonal, decagonal, pentagonal, dodecahedral. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to octagonal

Explore words related to octagonal — words associated with it, words that go with it, and its nearest matches in meaning. Related words include octangular, octagons, hexangular, rectangular, octangle, hexagons, oblong, domed. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for octagonal

Common synonyms for octagonal include hexagonal, decagonal, pentagonal, dodecahedral — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does octagonal come from?

The word octagonal breaks down into 2 roots of Greek origin: octa-, from Greek okto (“eight”); and -gon, from Greek gonia (“angle”). Explore each root to see other English words built from the same source.