(dated) Behaviour befitting, or typical of, a young lady.

plural of Bright Young Thing

plural of Young Irelander

(historical) A supporter of the Young Ireland movement of the mid-19th century, which led changes in Irish nationalism, including an abortive rebellion in 1848.

An adherent of Young Earth Creationism.

plural of young gun

Of or relating to Lester Young (1909–1959), American jazz musician.

The state or quality of being yourself.

plural of youness

plural of young pioneer