1. Exceptionally bad or displeasing
   "terrible handwriting"
   - atrocious, abominable, awful, dreadful, painful, unspeakable 
2. Causing fear or dread or terror
   "a terrible curse"
   - awful, dire, direful, dread, dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific 
3. Intensely or extremely bad or unpleasant in degree or quality
   "a terrible cough"
   - severe, wicked 
4. Extreme in degree or extent or amount or impact
   - frightful, awful, tremendous

See also: alarming, bad, extraordinary, intense, terribleness

Encyclopedia: Terrible

• straight-line method
• straight-line method of depreciation
• straight-out
• straightarrow
• straightaway
• straightedge
• straighten
• straighten out
• straighten up
• straightener
• straightforward
• straightforwardly
• straightforwardness
• straightjacket
• straightlaced
• straightly
• straightness
• straightway
• strain
• strain gage
• strain gauge
• strained
• strainer
• strainer vine
• straining