The word "lifeblood" in English means: Something that is essential for the survival or success of something., Blood, considered as essential for life..
The phonetic transcription of "lifeblood" is /ˈlaɪf.blʌd/ in British English and /ˈlaɪf.blʌd/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "lifeblood": essence, life force, blood.
Example usage of "lifeblood": "Tourism is the lifeblood of this island; many people work in this area.". More examples on the page.