Open English Wordnet
Adjectives
(s)deadly, deathly, mortalcausing or capable of causing death“a deadly enemy”,
“mortal combat”,
“a mortal illness” (s)deadly, lethalof an instrument of certain death“deadly poisons”,
“lethal weapon”,
“a lethal injection” (s)deadly, venomous, virulentextremely poisonous or injurious; producing venom“venomous snakes”,
“a virulent insect bite” (s)deadly, mortalinvolving loss of divine grace or spiritual death“the seven deadly sins” (s)deadly(of a disease) having a rapid course and violent effect Adverbs