Infant
Infant noun - A recently born person.
Newborn baby and infant are semantically related. In some cases you can use "Newborn baby" instead a noun "Infant".
Newborn baby
Newborn baby noun - A baby from birth to four weeks.
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Synonyms for Newborn baby
Infant and newborn baby are semantically related. You can use "Infant" instead a noun phrase "Newborn baby".
Both terms in one sentence
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Look Who's Talking ends with the complaints of the infant protagonist's newborn baby sister.
Source: Babies Ever After - Infant Immortality: Subverted, particularly in one sketch about pregnancy, where a surgeon eats a newborn baby whole, umbilical cord and all, only to reveal it was a magic trick, since he pulls the perfectly healthy baby out of nowhere.
Source: Western Animation / Trip Tank
Cite this Source
Newborn baby and Infant. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/infant/newborn_baby
Infant & Newborn baby. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/infant/newborn_baby>.
Newborn baby or Infant. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/infant/newborn_baby.
Google Ngram Viewer shows how "infant" and "newborn baby" have occurred on timeline