Synonyms & related words for undoubtedly

Find synonyms, related words, and the definition of undoubtedly — including doubtlessly, doubtless, indubitably, unquestionably, certainly, surely. 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 undoubtedly

Explore words related to undoubtedly — words associated with it, words that go with it, and its nearest matches in meaning. Related words include questionless, doubtlessness, iwis, unarguably, undoubted, undebatably, arguably, indubitable. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for undoubtedly

Common synonyms for undoubtedly include doubtlessly, doubtless, indubitably, unquestionably, certainly, surely, assuredly, definitely — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does undoubtedly come from?

The word undoubtedly breaks down into 2 roots of Old English and Latin origin: un-, from Old English un (“not, reverse”); and -doubt, from Latin dubito (“waver, hesitate”). Explore each root to see other English words built from the same source.