severe

adjective

1. 1

   causing fear or anxiety by threatening great harm

   a dangerous operation

   a grave situation

2. 2

   very bad in degree or extent

   a severe worldwide depression

   the house suffered severe damage

3. 3

   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

4. 4

   intensely or extremely bad or unpleasant in degree or quality

   severe pain

   a severe case of flu

5. 5

   severely simple

   a stark interior

6. 6

   very strong or vigorous

   strong winds

   a hard left to the chin