state - the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"

greenness - the state of not being ripe

callowness, jejuneness, juvenility - lacking and evidencing lack of experience of life

prematureness, prematurity - the state of being premature

adolescence - in the state that someone is in between puberty and adulthood

puerility, childhood - the state of a child between infancy and adolescence

babyhood, infancy - the earliest state of immaturity