← DefinitionshareGuesserraticadjectiveNot regular, predictable, or consistent; tending to change suddenly and without reason.nounA rock or boulder that has been carried from its original location by a glacier and left in a different area.SynonymsirregularadjectiveunpredictableadjectiveinconsistentadjectiveunstableadjectiveAntonymsconsistentadjectivepredictableadjectivesteadyadjective