weitestens

Etymology
From.

Adverb

 * 1)  at most, no further than
 * 2)  widely, for the most part
 * 1)  widely, for the most part
 * 1)  widely, for the most part

Usage notes

 * The word is unusual in either sense. Based on Google results, it seems that the meaning “no further than” is somewhat common in southern Germany, while the sense “widely” is somewhat common in western Germany.