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not smart is not in our dictionary (yet). Here's what it could mean:

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Results generated using artificial intelligence.

adjective

  • Lacking intelligence, sound judgment, or quick-wittedness; foolish.

Example Sentences

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We’re not smart enough to know if that’s going to happen or if it’s not going to happen,” said Matthew McLennan, a portfolio manager at First Eagle Investments.

From The Wall Street Journal • Apr. 22, 2026

According to the Wall Street Journal, which tested Neo in October, Neo is not smart enough yet to operate totally independently.

From MarketWatch • Dec. 27, 2025

Thesaurus

Possible Synonyms

Words in our thesaurus

other words

  • smooth brain
  • head empty
  • a few fries short of a Happy Meal
  • not the sharpest tool in the shed

Possible Antonyms

Words in our thesaurus

other words

  • big brain
  • galaxy brain
  • 200 IQ

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