Thin

desdensa

(of low viscosity or low specific gravity — see also watery, liquidy, diluted)

dina

(having little thickness or extent from one surface to its opposite)

magra

(having little body fat or flesh; slim; slender; lean; gaunt)

sengrasa

(having little body fat or flesh; slim; slender; lean; gaunt)

skarsa

(scarce)

dineskar

(to become thinner)

dinigar

(to make thinner)