1. Struck with fear, dread, or consternation
   - aghast, appalled, shocked

1. Lower someone's spirits; make downhearted
   - depress, deject, cast down, get down, dispirit, demoralize, demoralise [Brit] 
2. Fill with apprehension or alarm; cause to be unpleasantly surprised
   - alarm, appal [Brit, Cdn], appall [US], horrify

See also: afraid, 'fraid [non-standard]

Type of: affright, discourage, fright, frighten, scare

• unruffled
• unruliness
• unruly
• unsaddle
• unsaddled
• unsafe
• unsafely
• unsaid
• unsalable
• unsalaried
• unsaleable
• unsalted
• unsanctification
• unsanctified
• unsanctify
• unsanctioned
• unsanded
• unsanitariness
• unsanitary
• unsaponified
• unsarcastic
• unsated
• unsatiable
• unsatiably
• unsatiated