Synonyms & related words for supplementary

Find synonyms, related words, and the definition of supplementary — including supplemental, additional, auxiliary, adscititious, extra, ancillary. 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 supplementary

Explore words related to supplementary — words associated with it, words that go with it, and its nearest matches in meaning. Related words include suppletory, supplement, complemental, accessional, complementary, addendum, supplementation, addenda. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for supplementary

Common synonyms for supplementary include supplemental, additional, auxiliary, adscititious, extra, ancillary, appurtenant, added — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does supplementary come from?

The word supplementary breaks down into 2 roots of Latin origin: sup-, from Latin sub (“under, below”); and -ple, from Latin pleo (“fill”). Explore each root to see other English words built from the same source.