What does the idiom "one's flesh and blood" mean?

one's flesh and blood is an idiom used by many writers. When idioms are used in the right place, they open the doors of effective communication and increase your descriptive power. In this way, you will be better understood. The meaning of the expression one's flesh and blood is also remarkable in this respect.

Meaning of "one's flesh and blood"


The idiom ‘one’s flesh and blood’ is used to refer to close family members, typically children or grandchildren. It is used to express the idea that these family members are deeply connected to the person speaking, and therefore deserving of their loyalty, love, and protection.


The origin of this phrase is somewhat uncertain, but it is believed to date back several centuries. One possible origin is in a line from the King James Bible, where the phrase “flesh and blood” is used to refer to familial love and loyalty: “For whosoever shall do the will of my Father which is in heaven, the same is my brother, and sister, and mother.” (Matthew 12:50). It is likely that the phrase was adopted and adapted to the English vernacular to refer to one’s immediate family.


This phrase is typically used to express a deep and abiding love and commitment to close family members. It is often said as a way of expressing parental love, loyalty, and protection for one’s children. It can also be used to describe the close bond among siblings or other close family relations. It is typically used in everyday conversation, as well as in more formal contexts, like public speeches or legal documents.

Example Sentences

  • "I would do anything to protect my flesh and blood."
  • "My sister is my flesh and blood and I love her unconditionally."
  • "My children are my flesh and blood and I will always be there for them."
  • "We must protect our own flesh and blood, no matter what."

The meanings of the words in the "one's flesh and blood" idiom

Beyond the Literal: Figurative Language in Idioms

Idioms often use figurative language to convey a message that is not meant to be taken literally. For instance, the idiom "bite the bullet" means to endure a painful or difficult situation without complaint, while "hold your horses" means to be patient and wait. Other idioms, like "kick the bucket" or "pop your clogs," use euphemisms to talk about death.


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