Definitions

from The Century Dictionary.

  • noun Mental fatigue or exhaustion, as from overwork.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A condition to which male high school and college students are prone consisting of difficulty in concentrating, mild forgetfulness, and difficulty in maintaining a train of thought, arising from "too much thinking". Physical symptoms can manifest as well.
  • noun cerebropathy

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun exhaustion that affects mental keenness

Etymologies

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Examples

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Comments

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  • ...we all suffer from brain fag times and again...

    - Stevie Smith, Novel on Yellow Paper

    February 23, 2009

  • that's what comes of having your fringe all cock-awry and your whiskas dundreary.

    February 23, 2009