lethal
adjective uk/ˈliː.θəl/ us/ˈliː.θəl/
C2 致命的;极其危险的
able to cause or causing death; extremely dangerous
Three minutes after the fire started, the house was full of lethal fumes. 起火3分钟后，房子里充满了致命的毒气。
In the car the police found guns, knives, and other lethal weapons (= weapons that can kill). 警察在车里找到了枪支、刀具及其他一些凶器。
A 59-year-old man was executed by lethal injection (= by having a poisonous substance put into his body) this morning. 今晨一位59岁的男性罪犯被执行注射死刑。
informal That combination of tiredness and alcohol is lethal (= has a very bad effect). 身体的疲劳加上酒精的作用会产生非常严重的后果。
Synonym: deadly