sparse russian

• жи́дкий

  liquid, fluid

  thin (watery, weak)

  sparse, scanty

• пореде́ть

  to thin out or become sparse

• реде́ть

  to thin out or become sparse

• жи́денький

  (quite a bit) fluid / liquid

  (quite a bit) thin (waterly, weak)

  (quite a bit) sparse / scanty

• разбро́санность

  sparseness, dispersedness, disconnectedness, incoherence

• разбро́санный

  sparse, scattered, straggling, disconnected, incoherent, disjointed

• редколе́сье

  sparse growth of trees