babyish Antonyms

ripe fully grown age-old older of age ageing creaky timeworn drop-kick long-lasting worn venerable ripened ritual ritualistic rusty senescent senile senior septuagenarian superannuated white-haired long-standing moth-eaten silver-haired 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 geriatric doddering doddery long in the tooth full-fledged fully fledged gray-haired grey-haired over the hill in one's dotage adult decrepit dotard elder elderly