Distressing
Part of speech: adjective
Definition: Causing distress; upsetting
Part of speech: verb
Definition: To cause strain or anxiety to someone.
Example sentence: The writer's shortness of breath became more and more distressing as he rose.
Sad
Part of speech: adjective
Definition: Sated, having had one's fill; satisfied, weary.Steadfast, valiant.Trustworthy, serious, grave.Feeling sorrow; sorrowful, mournful.Appearing sorrowful.Causing sorrow; lamentable.Poor in quality, bad, shabby.Unfashionable; socially inadequate or undesirable.soggy (to refer to pastries).