Young  —adj. (younger; youngest) 1 not far advanced in life, development, or existence; not yet old. 2 a immature, inexperienced. B youthful. 3 of or characteristic of youth (young love). 4 representing young people (young farmers). 5 a distinguishing a son from his father (young george). B as a familiar or condescending form of address (listen, young lady). 6 (younger) distinguishing one person from another of the same name (the younger pitt). —n. (collect.) Offspring, esp. Of animals.  youngish adj. [old english]