verb.
To explain or present something in a way that excludes important information for the sake of brevity, or of making the explanation or presentation easy to understand.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
verb.
simplify to an excessive degree
verb.
make too simple
Word Usage
"I like Cherie Priests new steampunk novel Boneshaker, which to oversimplify is about a mother fighting zombies to get her son back."