- insane; crazy; mad.
Origin of brainsick
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for brainsick
To be brainsick and heartsick in a cruel and unfamiliar world is to be morbid.The Book of Susan
Lee Wilson Dodd
And this man, at once unprincipled and brainsick, had in his keeping the understanding and the conscience of the unhappy Monmouth.The History of England from the Accession of James II.
Thomas Babington Macaulay
Posterity can do simply nothing for a man; nor even seem to do much if the man be not brainsick.Past and Present
- relating to or caused by insanity; crazy; mad