Synonyms & related words for sinus

Find synonyms, related words, and the definition of sinus — including cavity. 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 sinus

Explore words related to sinus — words associated with it, words that go with it, and its nearest matches in meaning. Related words include sinusitis, fistula, postnasal, nasal, rhinal, bronchial, nasion, pneumogastric. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for sinus

Common synonyms for sinus include cavity — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does sinus come from?

The word sinus breaks down into one root of Latin origin: the root sinus-, from Latin sinus (“curve, hollow”). Explore each root to see other English words built from the same source.