avant-garde
noun
[ ˌavɒ̃ˈɡɑːd ]
• new and experimental ideas and methods in art, music, or literature.
• "he has been called a promoter of the avant-garde"
avant-garde
adjective
• favouring or introducing new and experimental ideas and methods.
• "a controversial avant-garde composer"
Similar:
innovative,
advanced,
innovatory,
original,
experimental,
inventive,
ahead of the times,
new,
forward-looking,
futuristic,
modern,
ultra-modern,
state-of-the-art,
trendsetting,
pioneering,
progressive,
groundbreaking,
trailblazing,
revolutionary,
unfamiliar,
unorthodox,
unconventional,
off-centre,
eccentric,
offbeat,
bohemian,
left-field,
go-ahead,
way-out,
new-fashioned,
neoteric,
Origin:
late Middle English (denoting the vanguard of an army): from French, literally ‘vanguard’. Current senses date from the early 20th century.