vlažan

1. (of air, climate) humid
   Leto u Beogradu je vruće i vlažno. — Summer in Belgrade is hot and humid.
2. (of objects, surfaces) damp; moist
   Obriši sto vlažnom krpom. — Wipe the table with a damp cloth.
   Zidovi u podrumu su vlažni. — The basement walls are damp.

Vlažan means humid, damp or moist, often slightly wet; mokar means wet.