IPA: //ˈblʌdˌθɜːrsti//
KK: /ˈblʌdˌθɜrsti/
Having a strong desire to cause violence or kill; very aggressive and cruel.
The bloodthirsty warriors charged into battle without hesitation.
Comparative: more bloodthirsty
Superlative: most bloodthirsty
Bloodthirsty is formed from "blood" (from Old English "blōd", meaning the red liquid that circulates in the body) and "thirsty" (from Old English "þirstig", meaning having a strong desire for). The word describes a strong desire for blood, often associated with violence or cruelty.
Think of someone having a strong 'desire' ('thirsty') for 'blood' — that's why bloodthirsty means having a fierce craving for blood.
No commonly confused words.