adjective
1.
Synonyms: ancient 1, aged, age-old, antediluvian, antique, hoary, Noachian, timeworn, venerable
Contrasted words: contemporary, current, recent; advanced
Antonyms: new
2.
of long standing
the ending of such an old friendship was tragic
Synonyms: continuing, enduring, inveterate, lifelong, long-lasting, long-lived, perennial; compare lasting
Related Word: constant, perpetual, staying; established, firm, solid, steady
Contrasted words: newfound, recent; brief, short-lived; casual, temporary, transitory, weak
Antonyms: new
3.
Synonyms: old-fashioned , antiquated, antique, archaic, dated, démodé, oldfangled, old-timey, outmoded, passé
Related Word: primitive; traditional
Contrasted words: newish
Antonyms: modern, new
4.
Synonyms: aged 1, ancient, elderly, olden, oldish, overage
Idioms: along in years, getting on
Contrasted words: juvenile, young
Antonyms: youthful
5.
Synonyms: experienced , old-time, practical, practiced, seasoned, skilled, versed, vet, veteran
Contrasted words: young
Antonyms: new
6.
Synonyms: former 2, bygone, erstwhile, late, once, onetime, past, quondam, sometime, whilom