Definitions:

1. As cold as ice. ADJECTIVE
   • His hands were ice-cold after being outside in the snow for too long.
2. Describes something that is extremely cold. ADJECTIVE
   • She drank an ice-cold lemonade on the hot summer day.
3. Unemotional or dispassionate. ADJECTIVE
   • She gave him an ice-cold stare, making it clear she was still upset.

Synonyms:

• aloof
• cold-hearted
• freezing
• frigid
• glacial
• unfeeling