See archaic in Webster's New World Roget's A-Z Thesaurus II
adjective
Belonging to, existing, or occurring in times long past:
age-old, ancient, antediluvian, antiquated, antique, hoary, old, olden, old-time, timeworn, venerable. Idioms: old as Methuselah, old as the hills. See newOf a style or method formerly in vogue:
antiquated, antique, bygone, dated, dowdy, fusty, old, old-fashioned, old-time, outdated, outmoded, out-of-date, passé, vintage. See new
Learn more about archaic