in-and-in

American  

[in-uhnd-in, -uhn-] / ˈɪn əndˈɪn, -ən- /

adverb

1. repeatedly within the same family, strain, etc..

   to breed stock in-and-in.

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in-and-in British  

adjective

1. (of breeding) carried out repeatedly among closely related individuals of the same species to eliminate or intensify certain characteristics

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Etymology

Origin of in-and-in

First recorded in 1620–30

Example Sentences

See Examples For:

in-and-in

"Such in-and-in fore-and-afters that their booms won't stay guyed-out, even after you've been at the pains to use a hawser."

From Miles Wallingford Sequel to "Afloat and Ashore" by James Fenimore Cooper

Time flies, but sin breeds in-and-in,   And a father's grief is stern; Robin is dead, and a distant kin   Now calls himself Kildearn.

From Wilson's Tales of the Borders and of Scotland, Volume XXIV. by Alexander Leighton

The rule applies to all animals, even to cattle and sheep, which can long resist breeding in-and-in between the nearest blood-relations.

From The Variation of Animals and Plants Under Domestication, Volume II (of 2) by Charles Darwin

Few domesticated animals suffer so much from in-and-in breeding as swine.

From Sheep, Swine, and Poultry Embracing the History and Varieties of Each; The Best Modes of Breeding; Their Feeding and Management; Together with etc. by Robert Jennings

The changes which can be rung on three distinct strains of blood, without in-and-in breeding close enough to be attended with any considerable danger, are innumerable.

From Sheep, Swine, and Poultry Embracing the History and Varieties of Each; The Best Modes of Breeding; Their Feeding and Management; Together with etc. by Robert Jennings