deadly

Word family  noun dead death deadliness adjective dead deadly deathly verb deaden adverb deadly deathly

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++dead·ly1 /ˈdedli/ ●●○ adjective  1  very dangerous 非常危险的KILL likely to cause death 致命的 SYN lethal a deadly poison 致命的毒药 a deadly weapon 致命武器deadly disease/virus 致命疾病/病毒2  deadly enemy ENEMYsomeone who will always be your enemy and will try to harm you as much as possible 不共戴天的敌人，死敌 The two rapidly became deadly enemies. 两个人很快就成了不共戴天的仇敌。3  complete 完全的COMPLETELY complete or total 完全的，全部的 We sat in deadly silence. 我们一声不吭地坐着。 He was in deadly earnest (=completely serious). 他是十分认真的。4  very effective 非常有效的HARM/BE BAD FOR causing harm in a very effective way 〔产生损害〕极有效的 She hit the target with deadly accuracy. 她准确无误地射中目标。5  like death 死一般的 [only before noun]DEAD like death in appearance 死一般的 His face had a deadly paleness. 他的脸死一般的苍白。 → seven deadly sins at sin1(1)

Examples from the Corpus

deadly• His lectures are deadly.• In the First World War pneumonia was as deadly as bullets and shells.• Folic acid, a B vitamin, reduces heart-attack risks by lowering a potentially deadly blood chemical called homocysteine.• By some lucky balance of nature, the Alpha rays, although deadly, can not penetrate matter readily.• And he was the one who helped her make decisions about how to respond to the deadly disease.• Large claymore-style mines were mounted on the surface for use against infantry, frequently with deadly effect.• He enters the system ingenuously contemplating the awesome responsibility that underlies lectures on the appropriate use of deadly force.• The woman's face had a deadly paleness.• Hemlock is one of nature's oldest and most deadly poisons.• Some mushrooms are edible while others, which look almost identical, contain deadly poisons.• Hank can shoot with deadly precision.• But deadly visions hang Like rain-clouds in the sound.deadly disease/virus• And he was the one who helped her make decisions about how to respond to the deadly disease.• Ashe has known since 1988 that he had the deadly virus.• In a small enterprise or department, management by inertia is a deadly disease.• The vaccine brings hope to 1,300 young children struck down by the Hib form of deadly disease every year.• Recognizing that the epidemic was due to this deadly disease, he kept careful notes of every case.• A prostate cancer patient, Milken continues to search for cures for the deadly disease, Reese said.• For those who are not yet infected with this deadly virus, remaining uninfected is very important, and very possible.• Together with other treatments -- in a so-called drug cocktail -- they can reduce levels of the deadly virus to near zero.in deadly earnest• As can be imagined, they were very easily degenerated into hot-tempered battles fought in deadly earnest.• These businessmen are crusty, rough-edged fellows trying to survive in deadly earnest competition with companies much bigger than theirs.deadly2 adverb  deadly serious/dull/boring etc VERYvery serious, dull etc 非常严肃/沉闷/乏味等 I’m deadly serious, this isn’t a game! 我是非常认真的，这不是儿戏！

Examples from the Corpus

deadly• Most of them had to cross a creek swollen with winter rains, and deadly cold with winter ice and snow.• The ad has been up around the country all spring, unanswered, and it has been deadly effective.• The primary indicator is Attempts to be deadly serious invariably result in unintended comedy.• His companion chuckled at the jest, but Gravelet, whose stage name was Blondin, was deadly serious.• It sounds like a sick joke but they are deadly serious.

dead·ly1 adjectivedeadly2 adverbChineseSyllable  

Corpus to likely cause death

deadly

I

dead‧ly¹ /ˈdedli/ adjective1.  VERY DANGEROUS likely to cause death
   SYN  lethal:
    a deadly poison
    a deadly weapon
    deadly disease/virus
2. deadly enemy someone who will always be your enemy and will try to harm you as much as possible:
    The two rapidly became deadly enemies.
3.  COMPLETE complete or total:
    We sat in deadly silence.
    He was in deadly earnest (=completely serious).
4.  VERY EFFECTIVE causing harm in a very effective way:
    She hit the target with deadly accuracy.
5.  LIKE DEATH  [only before noun] like death in appearance:
    His face had a deadly paleness.
⇨ seven deadly sins at sin¹(1)
     

THESAURUS

   ▪ poisonous containing or producing a substance that is likely to kill you, or make you very ill: poisonous gas | poisonous snakes | The plant is poisonous to humans and animals.
   ▪ toxic toxic chemicals and waste are poisonous to people and the environment: Crops were sprayed with highly toxic chemicals. | Lead is toxic to humans. | The site was used for the disposal of toxic waste.
   ▪ noxious [usually before noun] formal noxious substances and gases are poisonous: Vehicles pollute the air with noxious fumes | The soil may be contaminated with noxious substances.
   ▪ hazardous [usually before noun] hazardous substances are likely to harm people, animals, or the environment if they are not dealt with or got rid of carefully: Lead is one of the most hazardous substances known, causing cancer and nerve damage. | The building is now unoccupied, and all radioactive or hazardous materials have been removed. | hazardous nuclear waste
   ▪ deadly extremely poisonous and likely to kill you – used especially about poisons and snakes: a deadly poison | a deadly snake | Terrorists plotted to release a deadly gas.

II

deadly² adverbdeadly serious/dull/boring etc very serious, dull etc:
    I’m deadly serious, this isn’t a game!