Avant-garde

noun/ˌɑˌvɑntˈɡɑɹd/arts

Definition

New and unusual or experimental ideas, especially in the arts, or the people introducing them.

Etymology

From Middle English advaunte-garde, avauntgard, from Old French avangarde, avant-garde, avantgarde, from avant (“before; in front”) + garde (“guard”). Doublet of vanguard and vaward

Synonyms

remnant, vanguard

In a sentence

The interface was avant-garde when it launched but now looks dated.