Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

lifeblood

play
noun life·blood \ˈlīf-ˈbləd, -ˌbləd\

Simple Definition of lifeblood

  • : 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. 1 :  blood regarded as the seat of vitality

  2. 2 :  a vital or life-giving force or component <freedom of inquiry is the lifeblood of a university>

Examples of lifeblood

  1. The town's lifeblood has always been its fishing industry.

  2. The neighborhoods are the lifeblood of this city.

  3. the lifeblood that flows through his veins



1579

First Known Use of lifeblood

1579


Learn More about lifeblood


Seen and Heard

What made you want to look up lifeblood? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 12, 2016

of, relating to, or suggestive of marble

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 196.5 pounds 16.96 pounds 100 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ