noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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General-American:/ˈlaɪfˌblʌd/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:L AY1 F B L AH2 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Blood that is needed for continued life; blood regarded as the seat of life.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: blood
2
noun
Meaning 2
That which is required for continued existence or function.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively, uncountable, usually
Examples
Gasoline is the lifeblood of the modern city.
Meaning relationships
Synonyms: essence
Antonyms: none provided
3
noun
Meaning 3
an essential or life-giving force
Definition source: Princeton WordNet 3.0
Examples
water is the lifeblood of India
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: force
4
noun
Meaning 4
the blood considered as the seat of vitality
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: blood
History
Etymology
From life + blood. Compare English heart-blood (“lifeblood”).
Across languages
Translations
13 source translations are retained for this English entry.
German:
Herzblut
— blood needed for life
Spanish:
sangre vital
— blood needed for life
Welsh:
gwaed
— blood needed for life
Finnish:
elinehto
— figurative: that which is required for existence
Finnish:
elämänlähde
— figurative: that which is required for existence
French:
élément moteur
— figurative: that which is required for existence
French:
forces vives
— figurative: that which is required for existence
French:
élément vital
— figurative: that which is required for existence
German:
Lebensader
— figurative: that which is required for existence
Italian:
linfa vitale
— figurative: that which is required for existence
Māori:
manawapou
— figurative: that which is required for existence
Slovak:
životná miazga
— figurative: that which is required for existence
Tagalog:
dugo ng buhay
— figurative: that which is required for existence