1. Causing fear or dread or terror
   "a dreadful storm"
   - awful, dire, direful, dread, dreaded, fearful, fearsome, frightening, horrendous, horrific, terrible 
2. Exceptionally bad or displeasing
   "dreadful manners"
   - atrocious, abominable, awful, painful, terrible, unspeakable 
3. Very unpleasant

See also: alarming, bad, dreadfully, dreadfulness, unpleasant

• string bean
• string cheese
• string line
• string of beads
• string of words
• string orchestra
• string out
• string quartet
• string quartette
• string section
• string theory
• string tie
• string up
• stringed
• stringed instrument
• stringency
• stringendo
• stringent
• stringently
• stringer
• stringhalt
• stringiness
• stringless
• strings
• stringy