The Collaborative International Dictionary
Brainsickly
Brainsickly \Brain"sick`ly\, adv. In a brainsick manner.
Wiktionary
brainsickly
adv. (context obsolete English) In a brainsick manner.
Usage examples of "brainsickly".
Why, worthy thane,You do unbend your noble strength, to thinkSo brainsickly of things.
A king, after all, did not have time for all this idle, brainsickly speculation.