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Confusing Words in English

Defective vs. Deficient


Defective
Definition
Defective refers to something that is flawed or not functioning properly, often due to a fault or imperfection.
Deficient
Definition
Deficient means lacking or not having enough of something, often referring to a necessary quality or element.
Example
  • The store offered a refund for the defective appliance.
  • She was upset when she discovered the defective toy didn't work.
  • The car was recalled due to defective brakes.
Example
  • The patient's diet was deficient in essential vitamins.
  • His knowledge of the subject was deficient, which affected his performance.
  • The report highlighted that the project was deficient in funding.