Answer: upsetting

AnswerCrossword Clue
UPSETTINGTroublesome
upsettingDisturb the digestion of (a person's stomach); cause (someone) to feel nauseous or unwell
upsettingShorten and thicken the end or edge of (a metal bar, wheel rim, or other object), esp. by hammering or pressure when heated
upsettingKnock (something) over
upsettingCause disorder in (something); disrupt
upsettingMake (someone) unhappy, disappointed, or worried
upsettingUPSET, to overturn (to turn over)