disconcerting
Definitions
Causing one to feel unsettled, confused, or anxious.
Disturbing to one's composure or self-possession.
Examples
It was disconcerting to find that my keys were missing right before I had to leave for the airport.
The politician's disconcerting silence during the interview left many voters feeling uneasy.
Synonyms
unsettling disturbing disquieting unnerving perplexing discomfiting alarming
Antonyms
comforting reassuring calming soothing encouraging composed settling