deadly
Americanadjective
-
causing or tending to cause death; fatal; lethal.
a deadly poison.
-
aiming to kill or destroy; implacable.
a deadly enemy.
-
like death.
a deadly pallor.
-
excruciatingly boring.
The dinner party was absolutely deadly.
-
deadly haste.
-
extremely accurate.
Annie Oakley was a deadly shot.
adverb
-
in a manner resembling or suggesting death.
deadly pale.
-
excessively; completely.
deadly dull.
adjective
-
likely to cause death
deadly poison
deadly combat
-
informal extremely boring
adverb
Related Words
See fatal.
Other Word Forms
- deadliness noun
- nondeadly adjective
Etymology
Origin of deadly
First recorded before 900; Middle English deedli(ch), Old English dēadlīce; dead, -ly
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
His predecessor, Ayatollah Ruhollah Khomeini, had left the nation bankrupt and humiliated, following an eight-year war with neighboring Iraq, one of the deadliest global conflicts of the past century.
Airlines serving the Middle East have cancelled or diverted flights after the US and Israel launched deadly strikes on Iran.
From BBC
And after resolving a plagiarism dispute that delayed its release last year, the French-language thriller “The Hunt,” about a deadly encounter between two groups of hunters, is finally landing on March 4.
From MarketWatch
And leading AI systems are not yet reliable to be trusted to power deadly weapons without a human in ultimate control, he added.
From Barron's
Afghan forces attacked Pakistani border troops on Thursday night in what the Taliban government said was retaliation for earlier deadly air strikes, while AFP journalists in Kabul and Kandahar heard blasts and jets overhead.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.