oskudan

1. scanty; meagre; sparse
   O nesreći imamo samo oskudne informacije. — We have only scanty information about the accident.
   Večera je bila prilično oskudna. — Dinner was rather meagre.
2. (of life, conditions) poor; frugal
   Posle rata vodili su oskudan život na selu. — After the war they led a poor life in the village.

The adverb oskudno is common in živeti oskudno, "to live in poverty".