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brain +‎ sick


brainsick (comparative more brainsick, superlative most brainsick)

  1. Disordered in the understanding; giddy; thoughtless.
    • c. 1591, William Shakespeare, Henry VI, Part 1, Act IV, Scene 1,[1]
      Good Lord, what madness rules in brainsick men,
      When for so slight and frivolous a cause
      Such factious emulations shall arise!
    • 1594, Christopher Marlowe, Edward II, London: William Jones,[2]
      Come vnckle, let vs leaue the brainsick king,
      And henceforth parle with our naked swords.

Derived terms[edit]

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for brainsick in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)