This is the 132nd most frequent Czech word.
větší
"Větší" means "bigger" or "larger" in English.
Here, 'větší' is used as a comparative form of the adjective 'velký' (big), comparing the size of two cities.
Praha je větší než Brno.
Prague is bigger than Brno.
In this sentence, 'větší' signifies a higher degree of importance, comparing the significance of the problem to a previously assumed one.
Tato problém má větší význam, než jsem si původně myslel.
This problem has greater significance than I initially thought.
Here, 'větší' refers to a quantitatively larger amount, emphasizing the extent of the required personnel.