Synonyms & related words for seaweed

Find synonyms, related words, and the definition of seaweed — including kelp, rockweed, fucus, algae, gulfweed, sargassum. 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 seaweed

Explore words related to seaweed — words associated with it, words that go with it, and its nearest matches in meaning. Related words include badderlocks, seaware, dulse, fucoid, alga, carragheen, carrageen, nullipore. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for seaweed

Common synonyms for seaweed include kelp, rockweed, fucus, algae, gulfweed, sargassum, sargasso, conferva — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does seaweed come from?

The word seaweed breaks down into one root of Old English origin: the root sea-, from Old English sae (“sea”). Explore each root to see other English words built from the same source.