jolting — to jar, shake, or cause to move by or as if by a sudden rough thrust; shake up roughly: The bus jolted its passengers as it went down the rocky road.
bumpy — A bumpy road or path has a lot of bumps on it.
crushing — A crushing defeat, burden, or disappointment is a very great or severe one.
disconcerting — disturbing to one's composure or self-possession; upsetting, discomfiting.
unsettling — to alter from a settled state; cause to be no longer firmly fixed or established; render unstable; disturb: Violence unsettled the government.