1. Extremely
   "teachers were shockingly underpaid" 
2. So as to shock the feelings 
3. To an appalling extent
   - appallingly, horrifically

See also: shocking

• fretful
• fretfully
• fretfulness
• fretsaw
• fretted
• fretwork
• Freud
• Freudian
• Freudian psychology
• Freudian slip
• Frey
• Freya
• Freyja
• Freyr
• FRG
• Fri
• friability
• friable
• friar
• friar preacher
• friar's lantern
• friar's-cowl
• friary
• fribble
• fricandeau