brain fog

noun

Definition of brain fog

:a usually temporary state of diminished mental capacity marked by inability to concentrate or to think or reason clearly

First Known Use of brain fog

1853


Medical Dictionary

brain fog

noun

medical Definition of brain fog

:a usually temporary state of diminished mental capacity marked by inability to concentrate or to think or reason clearly
  • This brain fog can be a result of being overly stressed, tired, carrying extra weight, consuming too many calories or consistently consuming a diet poor in nutrients.
  • —Kylie Helgens, The Gazette (Cedar Rapids, Iowa)23 Mar. 2013

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