anachronistic Antonyms

puerile unripe vernal winy youthful in vogue latest avant-garde ahead of time bling unheard trig recent sequence simultaneous swank swish synchronal synchronical synchronous tony preteen latter-day lucullan trendy voguish trendsetting pubertal snazzy synchronic ultramodern unopened bang up to date all the rage present-day leading edge boylike deluxe underage modernistic modern-day hot up spiffy up to date ahead of the times adolescent coeval coexisting coexistent coextensive