true-bred

adjective4

1. •
   Purebred; genetically pure.

   • The issue of a wife is unlawful seed; And none's legitimate, but mongrel breed. Thou, and thy branches, have quite cross'd the strain, We ne'er shall see a true-bred whelp again. — 2012
2. •
   Of a proper lineage.

   • Come all ye true-bred Irishmen, a story I will tell Concerning bold McCarthy who in Liverpool did dwell. — 1999
3. •
   Genuine.

   • Well, for two of them, I know them to be as true-bred cowards as ever turn'd back; and for the third, if he fight longer than he sees reason, I 'll forswear arms. — 1597
4. •
   Inborn.

   • Experience, I grant, he probably lacks ; but he has the true-bred instinct. — 1903