open-endedly

From open-ended +‎ -ly.

open-endedly (comparative more open-endedly, superlative most open-endedly)

1. In an open-ended manner; indefinitely; freely.
   • 2013, John Lancaster, “When did you get hooked?”, in London Review of Books, volume 35, number 7:

     It’s a huge all-encompassing environmental force, determining the lives of everyone, open-endedly.