severe

adjective
se*vere \ sə-ˈvir \
1548{ds||1|a|}
  • strict in judgment, discipline, or government
  • of a strict or stern bearing or manner : austere
  • rigorous in restraint, punishment, or requirement : stringent

severe acute respiratory syndrome

noun
severe acute respiratory syndrome \
2003
  • sars

severe combined immunodeficiency

noun
severe combined immunodeficiency \
1973
  • a rare congenital disorder of the immune system that is characterized by inability to produce a normal complement of antibodies and T cells and that usually results in early death —called also severe combined immune deficiency
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