British EnglishAmerican Englishneutral
- Completely cold; having lost warmth or heat.
British EnglishAmerican Englishinformalcolloquial
- Used as an intensifier meaning completely or absolutely, typically placed before an adjective to indicate totality of state or condition (for example, stone cold sober or stone cold dead).
British EnglishAmerican Englishinformal
- Emotionally cold, unfeeling, or remorseless; showing no warmth or compassion (as in stone cold killer).