[ in-fuh nt ]
/ ˈɪn fənt /



Origin of infant

1350–1400; < Latin infant- (stem of infāns) small child, literally, one unable to speak, equivalent to in- in-3 + -fāns, present participle of fārī to speak; replacing Middle English enfaunt < Anglo-French < Latin, as above

Related forms

in·fant·hood, nounin·fant·like, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for infant

British Dictionary definitions for infant


/ (ˈɪnfənt) /



in an early stage of development; nascentan infant science or industry
law of or relating to the legal status of infancy

Derived Forms

infanthood, noun

Word Origin for infant

C14: from Latin infāns, literally: speechless, from in- 1 + fārī to speak
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for infant


[ ĭnfənt ]


A child in the earliest period of life, especially before he or she can walk.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.