To become or seem to become younger.
To exhibit younging.
To cause to appear younger.
Offspring, especially the immature offspring of animals.
Of or belonging to the early part of life.
Early.
Youthful; having the look or qualities of a young person.
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.
Junior (of two related people with the same name).
advanced in age; (far towards or) at a specified stage of existence or age.