The Archive

Etymology Journal ยท D

Due diligence

Meaning

Doing the necessary homework and background research before making a major decision or purchase. It is about being responsible and thorough.

Professional, serious

Used in a sentence

  • Did you perform your due diligence before buying that used car?
  • We need to do our due diligence on this new supplier.
  • It is just standard due diligence to check the references.

The backstory

This started as a legal term referring to the investigation an investor or buyer performs before signing a contract. It has since moved into everyday professional and personal life.

Heard in

Nationwide

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