adjective, dead·li·er, dead·li·est.
Examples from the Web for deadly
The comedian responded to the deadly attack on a French satirical magazine by renewing his recent criticisms of the Islamic faith.Bill Maher: Hundreds of Millions of Muslims Support Attack on ‘Charlie Hebdo’|Lloyd Grove|January 8, 2015|DAILY BEAST
Gunshots rang out in Paris this morning on a second day of deadly violence that has stunned the French capital.
Shortly after dawn, there was another outbreak of deadly force.
Whatever the reason, and however absurd their beliefs may seem, American evangelicals are deadly serious.
They now claim that Amanda actually wielded the knife and struck the deadly blow, increasing her sentence to 28-and-a-half years.
Then comes the great victor-sire's son, Vidar, to fight with the deadly beast.The Elder Eddas of Saemund Sigfusson; and the Younger Eddas of Snorre Sturleson|Saemund Sigfusson and Snorre Sturleson
But there was little need to do anything that might lead to shipwreck; the deadly coast itself was enough.The Cornwall Coast|Arthur L. Salmon
She stood up shining in her place And laughed beneath his deadly face.Poems by the Way|William Morris
It looked more than ever like a monstrous, deadly centipede.Morale|Murray Leinster
Stoner was deadly pale; it seemed as if all the blood had rushed away from his face.The Red Horizon|Patrick MacGill
British Dictionary definitions for deadly
adjective -lier or -liest
Word Origin and History for deadly
Old English deadlic "mortal, subject to death," also "causing death;" see dead + -ly (1). Meaning "having the capacity to kill" is from late 14c. (Old English words for this included deaðbærlic, deaðberende).