Definition of faint of heart
- This is a difficult climb that is not for the faint of heart.
: lacking courage and spirit : cowardly
: weak, dizzy, and likely to faint
: lacking strength or vigor : performed, offered, or accomplished weakly or languidly
: to lose courage or spirit
: to become weak
: to lose consciousness because of a temporary decrease in the blood supply to the brain
: the physiological action of fainting
What made you want to look up faint of heart? Please tell us where you read or heard it (including the quote, if possible).