mutableadjective · Level 2 SAT1capable of or tending to change in form or quality or naturePublic opinion is mutable and rarely stays fixed long enough to predict election outcomes.ModuleLevel 2Registercommon, contrastCollectionCollection 079SAT Plus planAlso in Collection 079contiguous, apocalyptic, authoritarian, asinine, ample, restive, amoral, aromatic and 1 more