Antonyms of adj heartwarming

1 sense of heartwarming

Sense 1
heartwarming -- (causing gladness and pleasure; "Is there a sight more heartwarming than a family reunion?")

INDIRECT (VIA moving) -> unmoving -- (not arousing emotions)

Similarity of adj heartwarming

1 sense of heartwarming

Sense 1
heartwarming -- (causing gladness and pleasure; "Is there a sight more heartwarming than a family reunion?")
       => moving (vs. unmoving) -- (arousing or capable of arousing deep emotion; "she laid her case of destitution before him in a very moving letter"- N. Hawthorne)