Synonyms & related words for affirm

Find synonyms, related words, and the definition of affirm — including assert, confirm, avow, aver, corroborate, substantiate. 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 affirm

Explore words related to affirm — words associated with it, words that go with it, and its nearest matches in meaning. Related words include affirmant, reaffirm, affirmation, disaffirm, reassert, asseveration, averral, affirmable. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for affirm

Common synonyms for affirm include assert, confirm, avow, aver, corroborate, substantiate, asseverate, verify — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does affirm come from?

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