adjective
In the early part of growth or life; born not long ago.
At an early stage of existence or development; having recently come into existence.
(Not) advanced in age; (far towards or) at a specified stage of existence or age.
Junior (of two related people with the same name).
Early. (of a decade of life)
Youthful; having the look or qualities of a young person.
Of or belonging to the early part of life.
(obsolete) Having little experience; inexperienced; unpracticed; ignorant; weak.
noun
(often as if a plural noun) Offspring, especially the immature offspring of animals.
verb
(informal or demography) To become or seem to become younger.
(informal or demography) To cause to appear younger.
(geology) To exhibit younging.