babyish Antonyms

patriarchal age-old older of age ageing creaky drop-kick long-lasting white-haired fully grown worn venerable ripe ripened ritualistic rusty senescent senile senior superannuated long-standing moth-eaten time-honoured as old as the sea as old as time extremely old advanced in years in one's prime grey-bearded long in the teeth past it older than dirt over the hill geriatric doddering doddery long in the tooth full-fledged fully fledged gray-haired grey-haired in one's dotage adult dotard elder elderly eldest full-blown full-grown gray