1. In a cold unemotional manner
   - in cold blood

See also: cold

• heads-up display
• headsail
• headscarf
• headset
• headshake
• headshaking
• headship
• headshot
• headsman
• headspace
• headspring
• headstall
• headstand
• headstock
• headstone
• headstream
• headstrong
• headwaiter
• headwater
• headway
• headwind
• headword
• headwork
• heady
• heal