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deadly

See definition of deadly on Dictionary.com
  • adj.causing end of life
  • adj.ghostly

synonyms for deadly

  • bloody
  • carcinogenic
  • cruel
  • dangerous
  • destructive
  • fatal
  • harmful
  • lethal
  • malignant
  • mortal
  • murderous
  • noxious
  • pernicious
  • poisonous
  • savage
  • suicidal
  • toxic
  • violent
  • virulent
  • baleful
  • baneful
  • bloodthirsty
  • cannibalistic
  • death-dealing
  • deathly
  • deleterious
  • destroying
  • grim
  • homicidal
  • injurious
  • internecine
  • killing
  • mortiferous
  • pestiferous
  • pestilent
  • pestilential
  • ruthless
  • slaying
  • unrelenting
  • venomous
See also synonyms for: deadliest / deadliness
On this page you'll find 128 synonyms, antonyms, and words related to deadly, such as: bloody, carcinogenic, cruel, dangerous, destructive, and fatal.

antonyms for deadly

MOST RELEVANT
  • benign
  • calm
  • gentle
  • harmless
  • healthy
  • helpful
  • kind
  • life-giving
  • nice
  • nonpoisonous
  • wholesome
  • animating
  • energizing
  • healthful
  • invigorating
  • lively
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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How to use deadly in a sentence

These aren’t the kinds of choices restaurateurs should be making during a deadly pandemic.
IS THE GOVERNMENT JUST GOING TO WATCH THE RESTAURANT INDUSTRY DIE?ELAZAR SONTAGAUGUST 28, 2020EATER
It referenced the deadly 2007 Rice Fire, which started when a Sycamore tree limb hit a power line near Fallbrook.
WATCHDOG WARNS: SDG&E’S TREE-TRIMMING PLAN COULD WORSEN WILDFIRESMACKENZIE ELMERAUGUST 24, 2020VOICE OF SAN DIEGO
At least one real-world field study supports the idea that transmissible vaccines can be both safe and effective at eradicating a deadly disease in wildlife.
CAN VACCINES FOR WILDLIFE PREVENT HUMAN PANDEMICS?RODRIGO PÉREZ ORTEGAAUGUST 24, 2020QUANTA MAGAZINE
Odorless and tasteless, the powder could be mixed into bits of meat and scattered across the landscape as deadly bait for dingoes to snatch up.
CULLING DINGOES WITH POISON MAY BE MAKING THEM BIGGERJAKE BUEHLERAUGUST 19, 2020SCIENCE NEWS
In a 2016 study, six of eight cats recovered from an infection with the deadly form of the feline coronavirus after treatment with the drug, Pedersen and colleagues reported in PLOS Pathogens.
HOW TWO CORONAVIRUS DRUGS FOR CATS MIGHT HELP HUMANS FIGHT COVID-19ERIN GARCIA DE JESUSAUGUST 11, 2020SCIENCE NEWS
Meanwhile, four regions in northern Italy were in the early throes of a deadly outbreak.
INSIDE EUROPE’S RESPONSE TO THE CORONAVIRUS OUTBREAKLAURA MARGOTTINIJULY 16, 2020QUARTZ
Rather than using live viruses or ones that are less deadly, we can simulate viruses using DNA nanoparticles.
HOW FAKE VIRUSES CAN HELP US MAKE THE BEST POSSIBLE VACCINESSHELLY FANJULY 7, 2020SINGULARITY HUB 
It’s been nearly one year since the passage of Assemblywoman Shirley Weber’s AB 392, a major statewide reform that changed the legal standards guiding police use of deadly force.
AGENCIES ARE UPDATING POLICIES TO COMPLY WITH NEW USE-OF-FORCE STANDARDSJESSE MARXJUNE 22, 2020VOICE OF SAN DIEGO
“Measles was a deadly disease, but particularly in populations of people that are malnourished,” said Morens.
THIS ISN’T THE FIRST U.S. PANDEMIC. SO WHY SUCH EXTREME MEASURES THIS TIME?TRUTHBETOLDMAY 18, 2020TRUTHBETOLD.NEWS
More than 100 years ago, a deadly flu virus circled the globe.
HOW TO FIND THE NEXT PANDEMIC VIRUS BEFORE IT FINDS USLINDSEY KONKELAPRIL 30, 2020SCIENCE NEWS FOR STUDENTS
SYNONYM OF THE DAY
OCTOBER 26, 1985
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capacitor

WORDS RELATED TO DEADLY

  • calamitous
  • deadly
  • dire
  • evil
  • foreboding
  • harmful
  • hurtful
  • injurious
  • malevolent
  • malignant
  • noxious
  • ominous
  • pernicious
  • ruinous
  • sinister
  • threatening
  • venomous
  • vindictive
  • woeful
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.