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lethal

adjective

Synonyms and Antonyms of lethal

likely to cause or capable of causing death
  • The snake's venom isn't lethal.
Synonyms of lethal

baleful, deadly, deathly, fatal, fell, killer, mortal, murderous, pestilent, terminal, vital
Words Related to lethal

baneful, deleterious, destructive, harmful, injurious, noxious, pernicious, truculent

infectious, infective, pestilential, poisonous, sublethal, toxic, virulent

dangerous, grave, grievous, hazardous, jeopardizing, menacing, parlous, perilous, risky, serious, threatening, ugly, unhealthy, unsound

bloody, internecine, sanguinary, sanguine
Near Antonyms of lethal

beneficial, restorative, salubrious, salutary

alleviative, corrective, curative, remedial, tonic

advantageous, beneficial, useful

nonpoisonous, nontoxic, safe
Antonyms of lethal

healthful, healthy, nonfatal, nonlethal, wholesome

Synonym Discussion of lethal

deadly, mortal, fatal, lethal mean causing or capable of causing death. deadly applies to an established or very likely cause of death.
    • a deadly disease
mortal implies that death has occurred or is inevitable.
    • a mortal wound
fatal stresses the inevitability of what has in fact resulted in death or destruction.
    • fatal consequences
lethal applies to something that is bound to cause death or exists for the destruction of life.
    • lethal gas

Learn More about lethal

  1. Dictionary: Definition of lethal Medical Dictionary: Definition of lethal Spanish Central: Translation of lethal Nglish: Translation of lethal for Spanish speakers Britannica English: Translation of lethal for Arabic speakers

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