Synonyms of ancient in English:

ancient


See definition of ancient

adjective

1‘the ancient civilizations of the Mediterranean’

SYNONYMS
of long ago, earliest, first, early, past, former, bygone
prehistoric, primeval, primordial, primitive
classical
literary olden, of yore, foregone
ANTONYMS

recent, contemporary

2‘an ancient custom’

SYNONYMS
old, very old, age-old, antediluvian, time-worn, time-honoured, immemorial, long-lived
atavistic
ANTONYMS

new, recent, modern

3‘you make me feel positively ancient’

SYNONYMS
antiquated, archaic, antediluvian, medieval, obsolete, obsolescent, superannuated, anachronistic, old-fashioned, out of date, outmoded
aged, elderly, venerable, hoary, decrepit
démodé, passé
informal fossilized, as old as the hills, cobwebby, in one's dotage, out of the ark, creaky, clunky, mouldy
British informal past its sell-by date, past one's sell-by date
Northern English informal antwacky
North American informal mossy, horse and buggy
ANTONYMS

youthful, up to date