unstrung (adj.)
- aghast
- anemic
- appalled
- ashen
- asthenic
- astounded
- awed
- awestricken
- awestruck
- blanched
- bloodless
- chicken
- cowardly
- crushed
- dashed
- debilitated
- demoralized
- drooping
- droopy
- dull
- effete
- etiolated
- faint
- feeble
- flabby
- flaccid
- floppy
- frozen
- gone
- gutless
- horrified
- horror-struck
- imbecile
- impotent
- intimidated
- languid
- languorous
- limber
- limp
- listless
- nerveless
- neurasthenic
- pallid
- paralyzed
- powerless
- prostrate
- rubbery
- sapless
- shaken
- shot
- slack
- soft
- spineless
- stricken
- stunned
- stupefied
- terrified
- terror-struck
- undone
- unhardened
- unmanned
- unnerved
- upset
- weak
- weakly