To earn enough income to support oneself and, if applicable, one's family.(verb)
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Use "make a living" in a sentence
"Sculptors have to make a living just like the rest of us, and the next morning I help Nash to carry a harvest of a dozen or so ash-framed drawings of Ash Dome out of his drawing studio to be packed and sent off to a gallery."
"Almost the first letter I received after I undertook to make a living by writing for magazines was signed with the name of Richard Harding Davis."
"Why should she have to suffer for having once, for a few hours, borrowed money of an elderly cousin, when a woman like Carry Fisher could make a living unrebuked from the good-nature of her men friends and the tolerance of their wives?"