cousinly

[ kuhz-uh n-lee ]
/ ˈkʌz ən li /
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adjective

like or befitting a cousin.

Origin of cousinly

First recorded in 1805–15; cousin + -ly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cousinly