- newborn - recently borne; "a newborn infant"
Antonym: old (indirect, via young)
- newborn, newly arisen, new-sprung - having just or recently arisen or come into existence; "new nations"; "with newborn fears"
Antonym: old (indirect, via new)
- neonate, newborn, newborn infant, newborn baby - a baby from birth to four weeks
--1 is a kind of baby, babe, infant
--1 has particulars: