terrified
adjective /ˈterɪfaɪd/
  /ˈterɪfaɪd/
Idioms - very frightened
- terrified (of somebody/something) to be terrified of spiders
 - terrified (of doing something) I'm terrified of losing you.
 - terrified (that…) He was terrified (that) he would fall.
 - terrified (at something) She was terrified at the thought of being alone.
 - You look absolutely terrified!
 - She looked at him with wide, terrified eyes.
 
Synonyms afraidafraid- frightened
 - scared
 - terrified
 - alarmed
 - paranoid
 
- afraid [not before noun] feeling fear; worried that something bad might happen:
- There’s nothing to be afraid of.
 - Aren’t you afraid (that) you’ll fall?
 
 - frightened feeling fear; worried that something bad might happen:
- a frightened child
 - She was frightened that the glass would break.
 
 - scared (rather informal) feeling fear; worried that something bad might happen:
- The thieves got scared and ran away.
 
 
- terrified very frightened:
- I was terrified (that) she wouldn’t come.
 - She looked at him with wide, terrified eyes.
 
 - alarmed afraid that something dangerous or unpleasant might happen:
- She was alarmed at the prospect of travelling alone.
 
 - paranoid (rather informal) afraid of other people for no reason or suspecting that they are trying to harm you, when really they are not:
- You’re just being paranoid.
 
 
- afraid/frightened/scared of spiders, etc.
 - frightened/scared/paranoid about …
 - afraid/frightened/scared/terrified that …
 - afraid/frightened/scared to open the door, etc.
 - Don’t be afraid/frightened/scared/alarmed.
 
Oxford Collocations Dictionaryverbs- be
 - feel
 - look
 - …
 
- really
 - truly
 - absolutely
 - …
 
- at
 - of
 
 
Idioms 
be frightened/scared/terrified out of your wits 
(also to frighten/scare the wits out of somebody)
- to be very frightened; to frighten somebody very much
- I was scared out of my wits!
 - The latest news has scared the wits out of investors.