'oversimplification' definitions:

Definition of 'oversimplification'

(from WordNet)
noun
An act of excessive simplification; the act of making something seem simpler than it really is [syn: oversimplification, simplism]
noun
A simplification that goes too far (to the point of misrepresentation) [syn: oversimplification, simplism]

Synonyms of 'oversimplification'

From: Moby Thesaurus