Synonyms & related words for rigorous

Find synonyms, related words, and the definition of rigorous — including stringent, strict, exacting, rigorist, scrupulous, meticulous. 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 rigorous

Explore words related to rigorous — words associated with it, words that go with it, and its nearest matches in meaning. Related words include overstrict, rigorousness, rigorously, rigor, thorough, painstaking, stringently, overrigid. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for rigorous

Common synonyms for rigorous include stringent, strict, exacting, rigorist, scrupulous, meticulous, rigid, strenuous — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does rigorous come from?

The word rigorous breaks down into one root of Latin origin: the root rig-, from Latin rigeo (“be stiff”). Explore each root to see other English words built from the same source.