Synonyms & related words for pernicious

Find synonyms, related words, and the definition of pernicious — including baneful, pestilent, deleterious, harmful, noxious, deadly. 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 pernicious

Explore words related to pernicious — words associated with it, words that go with it, and its nearest matches in meaning. Related words include insidious, perniciously, unharmful, injuriousness, insidiously, noxiously, noisomeness, deleteriously. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for pernicious

Common synonyms for pernicious include baneful, pestilent, deleterious, harmful, noxious, deadly, injurious, corruptive — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does pernicious come from?

The word pernicious breaks down into one root of Latin origin: the root nic-, from Latin nex (“death, killing”). Explore each root to see other English words built from the same source.