1
: a child in the first period of life
2
: a person who is not of full age : minor
1
: intended for young children
2
: being in an early stage of development
3
: of, relating to, or being in infancy
Examples of infant in a Sentence
Noun
a study of health problems that can affect young infants
He showed us a picture of his infant daughter.
Adjective
She is an infant teacher.
Recent Examples on the Web
Meg Wingerter, The Denver Post, 28 Jan. 2025
Randy Jones, former San Diego Padre and National League Cy Young Award Winner, will once again join forces with Home of Guiding Hands to support over 4,700 infants, adolescents, and adults with intellectual and developmental disabilities during this run/walk event.
—Ut Community Press, San Diego Union-Tribune, 28 Jan. 2025
Marc Bernardin, EW.com, 11 Mar. 2024
The high contribution from the donor stem cells the research achieved is what gave the infant cynomolgus monkey (Macaca fascicularis) a strange green tinge.
—Meghan Bartels, Scientific American, 10 Nov. 2023
See all Example Sentences for infant 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
At the time, Colorado had recorded 25 cases, including seven infants who were stillborn or died within months of birth from complications of the infection, and Herlihy said that the state could have more than 100 cases if nothing changed.
—Meg Wingerter, The Denver Post, 28 Jan. 2025
Randy Jones, former San Diego Padre and National League Cy Young Award Winner, will once again join forces with Home of Guiding Hands to support over 4,700 infants, adolescents, and adults with intellectual and developmental disabilities during this run/walk event.
—Ut Community Press, San Diego Union-Tribune, 28 Jan. 2025
Adjective
The devilish Goblin King gave protagonist Sarah (Jennifer Connelly) 13 hours to break free of his supernatural maze in order to save her infant half-brother, Toby.
—Marc Bernardin, EW.com, 11 Mar. 2024
The high contribution from the donor stem cells the research achieved is what gave the infant cynomolgus monkey (Macaca fascicularis) a strange green tinge.
—Meghan Bartels, Scientific American, 10 Nov. 2023
See all Example Sentences for infant
Dictionary Entries Near infant
Cite this Entry
“Infant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infant. Accessed 1 Feb. 2025.
Copy CitationMedical Definition
Love words? Need even more definitions?
Merriam-Webster unabridged
Share