cold-blooded
Concise Oxford English Dictionary © 2008 Oxford University Press:
cold-blooded
▶adjective
- 1 denoting animals whose body temperature varies with that of the environment (e.g. reptiles and fish); poikilothermic.
- 2 without emotion; deliberately cruel.
– derivatives
cold-bloodedly adverb,
cold-bloodedness noun.
cold-bloodedly adverb,
cold-bloodedness noun.
'cold-blooded' also found in these Oxford entries:

