Synonyms & related words for unstable

Find synonyms, related words, and the definition of unstable — including precarious, unsound, unsteady, insecure, tottery, volatile. 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 unstable

Explore words related to unstable — words associated with it, words that go with it, and its nearest matches in meaning. Related words include instable, unstably, unstableness, coseismal, instability, labile, nonfluctuating, destabilized. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for unstable

Common synonyms for unstable include precarious, unsound, unsteady, insecure, tottery, volatile, erratic, fluctuating — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does unstable come from?

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