1. （可能）致死的，致命的　 causing or likely to cause death
2. A 极度的；十足的；彻底的　 extreme; complete
3. 非常有效的；无法防御的　extremely effective, so that no defence is possible
4. 〈非正〉枯燥的；令人厌烦的　very boring

　deadly　作“极度的；十足的；彻底的”解时不用于比较等级。

　～ blow　毁灭性的打击
　～ combat　殊死之战
　～ conversation　令人厌烦的谈话
　～ disease　不治之症
　～ dullness　愚钝至极
　～ fight　殊死之战
　～ haste　十万火急
　～ hatred　切齿之恨
　～ job　单调的工作
　～ lecture　枯燥无味的讲座
　～ look of the child　小孩煞白的脸色
　～ poison　烈性毒药
　the seven ～ sins　七宗罪；死罪
　～ sleep　死觉大睡
　～ snake　毒蛇
　～ weapon　致使的武器
　～ wound　致命的创伤

　The terrorists have chosen to play a deadly game with the civilian population.　恐怖分子故意要同平民百姓做死亡游戏。
　She sighed as if a deadly burden had been taken from her breast.　她如释重负，长出了一口气。
　There was a sort of friendship between the two men, who were all the while deadly rivals.　这两个男的素来是冤家对头，如今竟有了一种友情。
　They are deadly enemies.　他们是不共戴天的仇敌。
　Such countries are the deadly enemies of the exploited and oppressed people all over the world.　这样的国家是全世界被剥削被压迫人民的死敌。
　It was the deadly striker's 11th goal of the season.　这是那个杀手前锋本赛季的第11个进球。
　This was the deadliest insult he could hear.　这是他所能听到的最伤人的侮辱。
　I'm in deadly earnest.　我是非常认真的。
　We sat in deadly silence.　我们默不作声地坐着。
　His aim is deadly.　他弹无虚发。
　Our maths classes are pretty deadly.　我们的数学课上得相当枯燥。
　The lecture was absolutely deadly.　这演讲简直无聊透了。

 ♣ deadly, dead
　参见dead条。

　〈非正〉极其；非常extremely

　deadly　用作副词时不用于比较等级。

　～ cold　冷得要死
　～ dull　沉闷得要命
　～ pale　死一般地苍白

　The captive turned deadly pale with fright.　这个俘虏害怕得面如土色。
　It was deadly cold.　天冷极了。
　These cups are pretty, but they are deadly dear.　这些杯子真美，可是实在贵得要命。
　She thought he was joking but he was deadly serious.　她以为他在开玩笑，其实他极其认真。
　There was deadly silence.　周围一片死寂。
　Food is deadly wanted in India.　印度的粮食奇缺。
　I am deadly tired now.　我现在疲倦之极。
　These children deadly love to see that film.　这些孩子非常喜欢那部片子。

　［同义词］ adj. excessive, extreme, fatal, mortal
　［反义词］ adj. life-giving, vital