LATIN DICTIONARYLexicon Latīnum
English → Latin

“infant” in Latin

The English word infant itself goes back to Latin for, through īnfantem.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

infant s.
infans: pupus: pupulus (of a male infant): pupa: pupula (of a female; these four also as terms of endearment): ☞ icuncula puellaris, in some recent editions of Suet., Ner., 56, is a mere conjecture.
Minor, Vid: Infant of Spain, *fllius, fllia regis Hispaniae.
infant adj.
puerilis (e.g., aetas, tempus): that infant nation, novus (e.g., ille populus); nascens (opposed to adultus; e.g., Athenae).

Quick answer

What is the Latin word for infant?
The usual Latin words for “infant” are īnfāns, pūpus, pūpulus; also pūpa, pūpula, puerīlis. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.