nejrozsáhlejí
"Nejrozsáhlejší" is a Czech adjective meaning "most extensive" or "largest" in terms of scope, area, or quantity. It is the superlative form of the adjective "rozsáhlý" (extensive, large). This word is commonly used in various contexts to describe things that are vast or cover a significant domain.
For example, in geography, one might refer to the nejrozsáhlejší les (most extensive forest) or the nejrozsáhlejší