youthful

As an adjective youthful is

young or seeming young.

Youthful is a related term of babyish.

As adjectives the difference between youthful and babyish

is that youthful is young or seeming young while babyish is like a baby; childish; puerile; simple.

Youthful is a related term of fresh.

As adjectives the difference between youthful and fresh

is that youthful is young or seeming young while fresh is newly produced or obtained or fresh can be rude, cheeky, or inappropriate; presumptuous; disrespectful; forward.

As a noun fresh is

a rush of water, along a river or onto the land; a flood.

Youthful is a related term of unmarried.

As adjectives the difference between youthful and unmarried

is that youthful is young or seeming young while unmarried is having no husband or wife.

As a noun unmarried is

an unmarried person.

Youthful is a related term of virginal.

As adjectives the difference between youthful and virginal

is that youthful is young or seeming young while virginal is being or resembling a virgin.

As a noun virginal is

(musici) a musical instrument in the harpsichord family.

Youthful is a related term of girlish.

As adjectives the difference between youthful and girlish

is that youthful is young or seeming young while girlish is like a girl; feminine.

Youthful is a related term of chaste.

As adjectives the difference between youthful and chaste

is that youthful is young or seeming young while chaste is abstaining from sexual intercourse, celibate.

Youthful is a related term of junior.

As an adjective youthful

is young or seeming young.

As a noun junior is

junior (especially a junior sportsman).

Youthful is a related term of unfledged.

As adjectives the difference between youthful and unfledged

is that youthful is young or seeming young while unfledged is of a bird that has yet to develop its wings and feathers and become able to fly.

Youthful is a related term of callow.

As adjectives the difference between youthful and callow

is that youthful is young or seeming young while callow is (obsolete) bald.

As a noun callow is

a callow young bird.