kaltblütigste означает в английский

most cold blooded▼

in cold blood▼◼◼◼adjective
[UK: ɪn kəʊld blʌd] [US: ɪn koʊld ˈbləd]

coldblooded▼◼◼◻adjective
[UK: ˈkəʊld.ˈblʌ.dɪd] [US: ˈkəʊld.ˈblʌ.dɪd]

cold blooded▼◼◻◻adjective