Thin

ненаси́чений

nenasýčenyj

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

розрі́джений

rozrídženyj

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

рідки́й

ridkýj

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

тонки́й

tonkýj

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

тонки́й

tonkýj

(very narrow in all diameters; having a cross section that is small in all directions)

худи́й

xudýj

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