Definitionen
1.NounModern or contemporary ideas, thought, practices, etc.
2.NounAnything that is characteristic of modernity.
3.NounAny of several styles of art, architecture, literature, philosophy, etc., that flourished in the 20th century.
4.NounA religious movement in the early 20th century, condemned as heretical by Pope Pius X, which tried to reconcile Roman Catholic dogma with modern science and philosophy.