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fatal

see definition of fatal
  • adjdeadly, lethal
  • adjcritical, very important
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Synonyms for fatal

adj deadly, lethal
  • calamitous
  • cataclysmic
  • catastrophic
  • destructive
  • disastrous
  • fateful
  • incurable
  • inevitable
  • malignant
  • mortal
  • poisonous
  • ruinous
  • virulent
  • baleful
  • baneful
  • deathly
  • final
  • ill-fated
  • ill-starred
  • killing
  • malefic
  • mortiferous
  • noxious
  • pernicious
  • pestilent
  • pestilential
  • terminal

Antonyms for fatal

  • assisting
  • blessed
  • fortunate
  • harmless
  • healthy
  • helpful
  • healthful
  • life-giving
  • nourishing
  • trivial
  • unimportant
  • unnecessary
  • vital
  • wholesome
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

calamitous

adjective. disastrous; tragic
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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