- Adamant
- Coldly determined to be a shade of blue-grey
- Hard and metallic
- Like steel
- Resolute like Dan
- Unfeeling
- Made of steel; consisting of steel.
- Anaesthetised
- Comfortably ____: Pink Floyd album
- Deadened
- Deprived of feeling
- Dull (the senses)
- Frozen
- Insensate
- Unfeeling
- Unsparing
- Destitute of mercy; cruel; unsparing; -- said of animate
beings, and also, figuratively, of things; as, a merciless tyrant;
merciless waves.
- Absence of heat
- Chilly
- Common ailment
- Easygoing
- Frigid
- Frigidity
- Frosty
- Boring
- Cloudy
- Faded
- Gloomy
- Lacking in interest
- nondescript
- Slothful