the fictitious name of an actual family that was the focus of a sociological study: one branch of feeble-minded descendants were mostly social degenerates, while another branch with descendants of normal intelligence were mostly successful.

Compare Jukes.

Origin of Kallikak

< Greek kalli- calli- + kak- (see caco-)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for kallikak

Historical Examples of kallikak

  • I have finished the Kallikak family and I am bursting with talk.

    Dear Enemy

    Jean Webster

  • The studies of the Edwards family on one hand and the so-called Kallikak family on the other, point to the same conclusion.

    How to Teach

    George Drayton Strayer and Naomi Norsworthy

  • If you are really hurt, I will read the Kallikak book; but I must tell you that you are working me to death.

    Dear Enemy

    Jean Webster

  • Kallikak family, results of environment rather than heredity shown by, 249.