Ghast"ly (?), a. [Compar. Ghastlier (?); superl. Ghastliest.] [OE. gastlich, gastli, fearful, causing fear, fr. gasten to terrify, AS. gæstan. Cf. Aghast, Gast, Gaze, Ghostly.] 1. Like a ghost in appearance; deathlike; pale; pallid; dismal.

Each turned his face with a ghastly pang.

His face was so ghastly that it could scarcely be recognized.

2. Horrible; shocking; dreadful; hideous.

Mangled with ghastly wounds through plate and mail.

Ghast"ly, adv. In a ghastly manner; hideously.

Staring full ghastly like a strangled man.

• Horrifyingly shocking.
  
• Extremely bad.
       The play was simply ghastly.