noun. 1. a mental skewing wherein a person sees a sole occurrence as an invariable rule, so that, for instance, failure at attaining one job will predict an ongoing trend of defeat in all jobs. 2. the propensity of young kids to generalize principle grammatical rules to render to abnormal words, for instance, pluralizing tooth to tooths. See overstressed situations- overregularization.

OVERGENERALIZATION: "Over-generalization is a concept commonly utilized by dramatic teenagers, much to their parents' dismay."