Use this domain for words describing something young--a word describing a living thing that has only existed for a short time.
What words describe a person or animal that is young?
young, little, small,
What words describe someone who is younger than someone else?
What words refer to a younger brother or sister?
younger brother, younger sister, little brother, little sister, kid brother, kid sister,
What words describe a plant that is young?
green, immature, young,
What words describe someone who looks or acts young?