adverb or adjective

: in repeated generations of the same or closely related stock
families … of one blood through mating or marrying in-and-inF. H. Giddings
in-and-in breeding

Word History

First Known Use

1765, in the meaning defined above

Time Traveler
The first known use of in-and-in was in 1765

Dictionary Entries Near in-and-in

Cite this Entry

“In-and-in.” Dictionary, Merriam-Webster, Accessed 18 Jun. 2024.

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