Synonyms & related words for perilous

Find synonyms, related words, and the definition of perilous — including periculous, jeopardous, parlous, precarious, dangerous, hazardous. 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 perilous

Explore words related to perilous — words associated with it, words that go with it, and its nearest matches in meaning. Related words include perilousness, chanceful, perilously, ultrahazardous, hazardousness, dicey, plightful, hazardously. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for perilous

Common synonyms for perilous include periculous, jeopardous, parlous, precarious, dangerous, hazardous, risky, unsafe — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does perilous come from?

The word perilous breaks down into one root of Latin origin: the root peril-, from Latin periculum (“danger, trial”). Explore each root to see other English words built from the same source.