Without emotion or excitement, unimpassioned, cool; without sensibility, unfeeling, callous; deliberately cruel. of persons.
figurative. Said of circumstances or influences which repress warmth of feeling, enthusiasm, etc. In quot. 1540 perhaps simply ‘cold, cold-blooded’.
= cold-blooded, adj. 2; cf. sense A. 2b.
Cold, unemotional; heartless, cruel.
Feelingless, cold-blooded; void of emotion.