simplistically

simplistic +‎ -ally

simplistically (comparative more simplistically, superlative most simplistically)

1. In a simplistic way.
   • 1988, Andrew Radford, Transformational Grammar, Cambridge: University Press, →ISBN, page 24:

     Natural questions to ask are: 'What counts as data? How do you collect data?' There are two different types of data which linguists typically work with in formulating grammars. The first is a recorded sample of speech or text (such a sample is known technically as a corpus of utterances); we assume (perhaps simplistically) that in general people speak and write well-formed sentences. […]

   He explained relativity, but very simplistically.

2. Used to announce or excuse an oversimplified explanation or description. (Compare with in a nutshell.)

   Simplistically, he was fired with pay.

• (an oversimplified explanation or description): in layman's terms

• in other words, that is to say; see also Thesaurus:in other words