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lifeblood

noun life·blood \ˈlīf-ˈbləd, -ˌbləd\

: the most important part of something : the part of something that provides its strength and energy

: a person's blood

Full Definition of LIFEBLOOD

1
:  blood regarded as the seat of vitality
2
:  a vital or life-giving force or component <freedom of inquiry is the lifeblood of a university>
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First Known Use of LIFEBLOOD

1579

Rhymes with LIFEBLOOD

at stud, bad blood, blue blood, disbud, earbud, full-blood, half-blood, hotblood, leaf bud, new blood, oxblood, redbud, rosebud, shed blood, smell blood, sweat blood

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