developed Antonyms

undeveloped untilled stopped rudimentary retrogressive regressive regressed pristine primogenial primitive obsolete obfuscated nascent misplaced minced melted uncivilized unimproved underivative time-honoured stone age out-of-date underdeveloped unprogressive nonprogressive fogyish old style neanderthal outmoded uncivilised old-hat unaltered lost liquefied inhibited clouded canceled butchered benighted born backwards backward archaic antique antiquated antediluvian ancient aborted abjured dated