youthful
adjectiveCharacterized by youth; young.
adjectiveTypical of or suggesting youth: synonym: young.
adjectiveIn an early stage of development; new.
adjectiveYoung.
In physical geography, exhibiting an early stage of the geographical cycle; young.
Possessing or characterized by youth; not yet aged; not yet arrived at mature years; being in the early stage of life; young; juvenile.
Pertaining or belonging or suitable to the early part of life: as, youthful days; youthful age.
Fresh and vigorous, as in youth.
Early in time.
=Syn.1-3. Youthful, Juvenile, Boyish, Puerile. Youthful is generally used in a good sense: as, youthful looks or sports; juvenile indifferently, but if in a bad sense not strongly so: as, the poem was a rather juvenile performance; boyish rather more often, but not necessarily, in some contempt: as, a boyish manner; boyish enthusiasm; puerile always in marked contempt, as a synonym for silly.