heartbreaking adj 1: causing or marked by grief or anguish; "a grievous loss"; "a grievous cry"; "her sigh was heartbreaking"; "the heartrending words of Rabin's granddaughter" [syn: {grievous}, {heartbreaking}, {heartrending}]
Heartbreaking \Heart"break`ing\, a. Causing overpowering sorrow. [1913 Webster]
20 Moby Thesaurus words for "heartbreaking": afflictive, agonizing, calamitous, consuming, desolating, dire, distressing, excruciating, grievous, harrowing, heartrending, heartsickening, heartwounding, lamentable, racking, regrettable, rending, tormenting, torturous, unfortunate