DISCONCERTING
disconcerting
Adjective
- Tending to cause discomfort, uneasiness or alarm; unsettling; troubling; upsetting.
- Even with a safety harness, losing one's grip that high up is disconcerting.
The above text is a snippet from Wiktionary: disconcerting
and as such is available under the Creative Commons Attribution/Share-Alike License.