Նուրբ (նրբից)

adj. gr. fig. adv.

subtile, fine, slender, tenuous, lank, thin, slim;
narrow;
subtile;
finespun, subtile, difficult, abstruse, obscure, profound;
subtilely;
— ձայն, shrill voice;
— մտօք, subtle, acute, shrewd, perspicacious.