Relating to or affecting the infant during the first month after birth.

Roget 123: new, novel, recent, fresh, green; young etc. 127; evergreen; raw, immature, unsettled, yeasty; virgin; untried, unhandseled^†, untrodden, untrod, unbeaten; fire-new, span-new.    late, modern, neoteric, hypermodern, nouveau; new-born, nascent, neonatal [Med.], new-fashioned, new-fangled, new-fledged; of yesterday; just out, brand-new, up to date, up to the minute, with it, fashionable, in fashion; in, hip [Coll.]; vernal, renovated, sempervirent^†, sempervirid^†.    fresh as a rose, fresh as a daisy, fresh as paint; spick and span.    ... show more

Polish: noworodkowy