Synonyms of upsetting

1 Syllable

hard, trying

2 Syllables

vexing, annoying, stressful, creepy, poignant, worrying, plaguy, rankling, painful, hurtful, troublous, grievous, troubling, dismaying, startling, gloomy

3 Syllables

disturbing, perplexing, disquieting, provoking, irksome, confusions, onerous, unpleasant, ominous, confusing, toilsome, difficult, vexatious, distressful, threatening, depressing, alarming, heart-rending, terrific, impeding, severe, unsettling, sinister, laborious, distressing, frightening, perturbing, prophetic, harassing, confusion, uncertain

4 Syllables

disorienting, disagreeable, burdensome, bothersome, troublesome, aggravating, tiresome, foreboding, intrusive, pessimistic, irritating, agitating, discouraging, troublemaking, embarrassing, consequential, infestive, disruptive, disconcerting, worrisome, discommoding, discomposing, discomforting, wearisome, inconvenient

5 Syllables

exceptionable, demoralizing

6 Syllables

unsatisfactory