causing death; deadly; fatal.
like death: a deathly silence.
of, relating to, or indicating death; morbid: a deathly odor from the sepulcher.


in the manner of death.
very; utterly: deathly afraid.

Origin of deathly

before 1000; Middle English dethlich, Old English dēathlīc. See death, -ly
Related formsdeath·li·ness, nounpre·death·ly, adjective
Can be confuseddeadly deathly Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deathly

Contemporary Examples of deathly

Historical Examples of deathly

British Dictionary definitions for deathly



resembling deatha deathly quiet
Derived Formsdeathliness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for deathly

Old English deaþlic "mortal" (see death). Meaning "deadly" is from late 12c.; that of "death-like" is from 1560s.

Online Etymology Dictionary, © 2010 Douglas Harper