variants or breast-feed
breastfed or breast-fed; breastfeeding or breast-feeding; breastfeeds or breast-feeds
Synonyms of breastfeednext

transitive verb

: to feed (a baby) from a mother's breast

intransitive verb

1
: to breastfeed a baby
… more women are breastfeeding than ever before …Lauren Sandler
2
of a baby : to feed oneself by sucking milk from a mother's breast
breastfed adjective
or breast-fed
breastfed babies
breastfeeder noun
or breast-feeder
breastfeeding noun
or breast-feeding

Examples of breastfeed in a Sentence

believes that all women should breast-feed their babies
Recent Examples on the Web
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.
In new mothers, for instance, an increase in the hormone prolactin helps lay the groundwork for breastfeeding. Joshua Rothman, New Yorker, 19 June 2026 Pregnant or breastfeeding women should also avoid juice cleanses. Bestreviews, Mercury News, 15 June 2026 For infants that are breastfeeding, breastfeeding mothers should drink enough water. Miranda Jeyaretnam, Time, 23 June 2026 Sarah Wells with some of her company's products for new breastfeeding mothers, which range from breast pumps to apparel to chic pump bags. John Schroyer, Forbes.com, 26 June 2026 See All Example Sentences for breastfeed

Word History

First Known Use

1869, in the meaning defined at transitive sense

Time Traveler
The first known use of breastfeed was in 1869

Browse Nearby Words

Cite this Entry

“Breastfeed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/breastfeed. Accessed 7 Jul. 2026.

Kids Definition

breast-feed

verb
ˈbrest-ˌfēd
breast-fed
-ˌfed
; breast-feeding
: to feed a baby from a mother's breast

Medical Definition

breastfeed

verb
breast·​feed
variants or breast-feed
ˈbrest-ˌfēd
breastfed or breast-fed; breastfeeding or breast-feeding; breastfeeds or breast-feeds

transitive verb

: to feed (a baby) from a mother's breast

intransitive verb

1
: to breastfeed a baby
2
of a baby : to feed oneself by sucking milk from a mother's breast
breastfed adjective
or breast-fed
breastfed babies
breastfeeder noun
or breast-feeder
This class for first-time breastfeeders will be from 6:30 to 9:30 p.m. The Reno (Nevada) Gazette-Journal
On average, infants who were exclusive breast-feeders continued to drink more as they got older … The Philadelphia Inquirer
breastfeeding noun
or breast-feeding

More from Merriam-Webster on breastfeed

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