silan

1. (of phenomena, feelings) strong; powerful; intense
   Silan vetar je oborio drvo ispred zgrade. — A strong wind knocked down the tree in front of the building.
   Osetio je silnu želju da ode odatle. — He felt a powerful urge to leave.
2. (of quantity) huge; a great many; so much
   Potrošili su silan novac na renoviranje stana. — They spent a huge amount of money renovating the flat.
   Gde ćeš sa svim tim silnim stvarima? — Where are you going with all that stuff?
3. formal (of people, states) mighty; powerful
   Protiv njih je krenula silna vojska. — A mighty army marched against them.

With plural nouns it often means "all those, so many" and can sound ironic: silni stručnjaci.