brainsickly
advEtymology From brainsick + -ly.
1
Obsolete In a brainsick manner.
- LADY MACBETH. […] You do unbend your noble strength, to think So brainsickly of things.c. 1606 (date written), William Shakespeare, “The Tragedie of Macbeth”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act II, scene ii]: