Definition of "stone cold" in English

Adjective

1. Very cold ; lacking any semblance of warmth.

   • I forgot to turn on the burner under the soup and found it sitting there, still stone cold, twenty minutes later.

2. Lacking emotion or compassion.

   • a stone-cold demeanor
   • a stone-cold killer

3. Certain; definite; obvious.

   • a stone cold certainty

Adverb

1. Certainly; definitely; obviously.

   • It is stone cold guaranteed that that guy will get his clock cleaned if he shows up here today.