[ UK /dˈɛdli/ ]
[ US /ˈdɛdɫi/ ]
ADJECTIVE
  1. of an instrument of certain death
    deadly poisons
    lethal weapon
    a lethal injection
  2. (of a disease) having a rapid course and violent effect
  3. involving loss of divine grace or spiritual death
    the seven deadly sins
  4. extremely poisonous or injurious; producing venom
    venomous snakes
    a virulent insect bite
  5. causing or capable of causing death
    mortal combat
    a fatal accident
    a mortal illness
    a deadly enemy
  6. exceedingly harmful
ADVERB
  1. as if dead
  2. (used as intensives) extremely
    deadly earnest
    deucedly clever
    deadly dull
    insanely jealous
    she was madly in love
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How To Use deadly In A Sentence

  • Ministers have spent nearly 500million stockpiling the antiviral drug in case of a deadly epidemic but there are doubts it is effective. The Sun
  • PHNOM PENH, CAMBODIA: Thailand and Cambodia said they have made progress in settling a border dispute that sparked a deadly military confrontation last month. My Sinchew -
  • George was diagnosed with the potentially deadly condition days after his second birthday.
  • Now the fire itself wasn't very deadly, it was the smoke.
  • The wind and rain intensified as they watched the deadly twisters move towards them.
  • Everyone in this facility yields to the seven deadly sins… especially pride and vanity!
  • The severity of the decree seemed deadly to Tess.
  • ` ` Weel, sirs, I am laith to enter into deadly fued with you by spilling ony of your bluid, though Earnscliff hasna stopped to shed mine The Black Dwarf
  • No, it would have been deadly and hugely dangerous. The Sun
  • If you are venturing further abroad, wild animals and insects can present a deadly danger and avoidance is usually the key. Times, Sunday Times
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