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"Deficient" vs. "insufficient": a lexical comparison

Anwar Kareem 04/10/2024, 07:53
English.me team member
Deficient and insufficient. What's the difference?

What is similar?

Both words describe a lack or shortfall of something, often implying that the desired or necessary amount is not met.

What is different?

Deficient often implies something is lacking an essential quality or component, while insufficient typically refers to something not meeting a required quantity or level.

Which one is more common?

Internet search results for deficient) and insufficient

Examples of usage

Deficient
  • The patient's diet was deficient in vitamins.
  • The report was deficient in several key areas.
  • He is suffering from iron-deficient anemia.
Insufficient
  • There was insufficient evidence to convict.
  • The budget was insufficient to cover expenses.
  • She found the information provided insufficient.