le·thal 
/ˈli:θəl/ adjective
/ˈli:θəl/ adjective [more lethal; most lethal] : causing or able to cause death
▪ lethal chemicals/weapons ▪ a potentially lethal dose of a drug ▪ He was sentenced to death by lethal injection. ▪ In rare instances, the disease can be lethal. [=(more commonly) fatal] — often used figuratively ▪ a pitcher with a lethal fastball [=a very powerful or effective fastball] ▪ a lethal [=very damaging] attack on her reputation synonyms 1deadly
▪ lethal chemicals/weapons ▪ a potentially lethal dose of a drug ▪ He was sentenced to death by lethal injection. ▪ In rare instances, the disease can be lethal. [=(more commonly) fatal] — often used figuratively ▪ a pitcher with a lethal fastball [=a very powerful or effective fastball] ▪ a lethal [=very damaging] attack on her reputation synonyms 1deadly
— le·thal·ly adverb
▪ lethally poisonous
▪ lethally poisonous
