Simple past tense and past participle of breast-feed.(verb)
That has been suckled at its mother's breast(adjective)
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Use "breast-fed" in a sentence
"It takes about ten days for a full-term breast-fed infant’s intestines to be colonized with bacterial flora the good bacteria, while formula-fed infants have more complex bacteria flora in their gut."
""We know that solutions as simple as keeping newborns warm, clean and properly breast-fed can keep them alive.""
"She breast-fed both and now works as a breast-feeding peer counselor at the Family Health and Birth Center in Washington, D.C., where many patients are low-income or minority mothers."