heartbreaking

adj

1. That causes great grief, anguish or distress.

   “Near-synonyms: heartrending, heartwrenching”

   “Things went well with the clearing on Friday, but by Saturday, February 3, a 70 m.p.h. blizzard set in, and against such heartbreaking conditions, although an effort was made with the plough to keep open the sections cleared on the previous day, ground was gradually lost, [...].”

   “But even with these caveats, it remains a stunning and heartbreaking piece of cinema that strikes a particular chord with LGBTQ+ viewers.”

noun

1. The breaking of a heart; great grief, anguish or distress.

   “One could argue that Eliot's "great heartbreakings" were the overt physical signs of the inner psychological transformations achieved through brainwashing, cultural attack, and epidemic mortality.”