Word Study
oversimplify
CIDE DICTIONARY
oversimplify, v. t.
to simplify excessively so as to distort or misrepresent; -- of facts, assertions, or communications; as, Don't oversimplify the rules. [WordNet 1.5]
OXFORD DICTIONARY
oversimplify, v.tr. (-ies, -ied) (also absol.) distort (a problem etc.) by stating it in too simple terms.
Derivative
oversimplification n.
For further exploring for "oversimplify" in Webster Dictionary Online