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

: a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood

: a structure in an invertebrate animal functionally analogous to the vertebrate heart

: breast, bosom

: love:2

: hearten

: to fix in the heart