severe

Adjective

• very bad in degree or extent
  • a severe worldwide depression
    
  • the house suffered severe damage
    

• causing fear or anxiety by threatening great harm
  • a dangerous operation
    
  • a grave situation
    
  • a grave illness
    
  • grievous bodily harm
    
  • a serious wound
    
  • a serious turn of events
    
  • a severe case of pneumonia
    
  • a life-threatening disease
    

• unsparing and uncompromising in discipline or judgment
  • a parent severe to the pitch of hostility- H.G.Wells
    
  • a hefty six-footer with a rather severe mien
    
  • a strict disciplinarian
    
  • a Spartan upbringing
    

• severely simple
  • a stark interior
    

• very strong or vigorous
  • strong winds
    
  • a hard left to the chin
    
  • a knockout punch
    
  • a severe blow
    

• intensely or extremely bad or unpleasant in degree or quality
  • severe pain
    
  • a severe case of flu
    
  • a terrible cough
    
  • under wicked fire from the enemy's guns
    
  • a wicked cough
    

Related words

• Synonyms: 
  dangerous , grave , grievous , serious , life-threatening , spartan , austere , stark , stern , hard , knockout , terrible , wicked