What Is Another Way to Say “Not Smart”?

Looking for synonyms for not smart? We’ve got you covered!

Here’s a list of other ways to say not smart.

  • Unintelligent
  • Foolish
  • Dull-witted
  • Unwise
  • Ignorant
  • Simple-minded
  • Inept
  • Slow
  • Brainless
  • Mindless
  • Unthinking
  • Naïve
  • Senseless
  • Ill-advised
  • Short-sighted
  • Uneducated
  • Uninformed
  • Dim
  • Vacuous
  • Witless

Want to learn how to say not smart professionally? Keep reading for examples and use cases.

1. Unintelligent

Appropriate Use: When someone lacks intelligence or understanding in a general sense.
Example: “The decision to ignore market trends was an unintelligent move for the business.”

2. Foolish

Appropriate Use: Suitable for actions or decisions that lack good sense or judgment.
Example: “Investing in outdated technology now seems a foolish strategy.”

3. Dull-witted

Appropriate Use: When someone is slow to understand or lacks sharpness of intellect.
Example: “The dull-witted response to the crisis exacerbated the company’s problems.”

4. Unwise

Appropriate Use: For decisions or actions that show poor judgment or a lack of wisdom.
Example: “It was an unwise decision to cut the budget for employee training.”

5. Ignorant

Appropriate Use: When someone lacks knowledge or awareness in a particular area.
Example: “The manager was ignorant of the legal implications of his actions.”

6. Simple-minded

Appropriate Use: For a lack of complexity or depth in understanding or thought.
Example: “The simple-minded approach to the problem failed to address its underlying causes.”

7. Inept

Appropriate Use: Suitable for lacking skill or ability in a particular area.
Example: “The inept handling of customer complaints damaged the company’s reputation.”

8. Slow

Appropriate Use: When someone takes a longer time than usual to understand or respond.
Example: “His slow grasp of the new systems slowed down the training process.”

9. Brainless

Appropriate Use: Used for actions or behaviors that show a lack of intelligent thought.
Example: “The brainless decision to bypass quality checks led to a defective product release.”

10. Mindless

Appropriate Use: For actions done without thought or intelligence.
Example: “Mindless adherence to outdated procedures can hinder innovation.”

11. Unthinking

Appropriate Use: When someone acts without consideration or thoughtfulness.
Example: “The unthinking remarks made during the meeting were offensive to some colleagues.”

12. Naïve

Appropriate Use: Suitable for someone who lacks experience, wisdom, or judgment.
Example: “Her naïve understanding of the market dynamics led to poor investment choices.”

13. Senseless

Appropriate Use: For actions or decisions that lack common sense or sound reasoning.
Example: “The senseless allocation of resources resulted in significant financial loss.”

14. Ill-advised

Appropriate Use: When a course of action is not recommended or is considered a bad decision.
Example: “The expansion into the foreign market was ill-advised and premature.”

15. Short-sighted

Appropriate Use: Suitable for decisions made without considering the longer-term impacts.
Example: “The company’s short-sighted cost-cutting measures compromised product quality.”

16. Uneducated

Appropriate Use: When someone lacks formal education or knowledge in a specific field.
Example: “His uneducated guesses about the financial market were often off the mark.”

17. Uninformed

Appropriate Use: For a lack of information or knowledge about a particular subject.
Example: “The uninformed comments about the legal case put the company at risk.”

18. Dim

Appropriate Use: Used to describe someone who is slow to understand things.
Example: “The team’s dim understanding of the client’s needs led to a failed project.”

19. Vacuous

Appropriate Use: For a lack of thought, intelligence, or meaningful content.
Example: “The vacuous presentation failed to address any substantial points.”

20. Witless

Appropriate Use: When someone lacks intelligence or the capacity to respond appropriately.
Example: “The witless handling of sensitive information led to a major data breach.”

Linda Brown