Definify.com
Webster 1913 Edition
Cold-blooded
Cold′-bloodˊed
,Adj.
1.
Having cold blood; – said of fish or animals whose blood is but little warmer than the water or air about them.
2.
Deficient in sensibility or feeling; hard-hearted.
3.
Not thoroughbred; – said of animals, as horses, which are derived from the common stock of a country.
Webster 1828 Edition
Cold-blooded
COLD-BLOODED
,Adj.
1.
Having cold blood.2.
Without sensibility, or feeling.