sang·froid \(ˈ)saŋˈfrwä, (ˈ)säŋ-, (ˈ)säⁿˈ-, -wäd\noun (-s) Etymology: French sang-froid, literally, cold blood, from Middle French, from sang blood + froid cold, from Latin frigidus — more at sang, frigid : extraordinary often cold-blooded self-possession or imperturbability especially under strain < with gigantic sangfroid I performed one of her own dances for her — Agnes de Mille > Synonyms:see equanimity