Synonyms of lethal in English:

lethal


See definition of lethal

adjective

1‘a lethal weapon’

SYNONYMS
fatal, deadly, mortal, causing death, death-dealing, life-threatening, murderous, homicidal, killing, terminal, final, incurable
poisonous, toxic, virulent, noxious, venomous
dangerous, destructive, harmful, pernicious, malignant, disastrous, calamitous, ruinous
literary deathly, nocuous, mephitic
archaic baneful
ANTONYMS

harmless, safe