deadly

Meanings

Adjective Satellite

causing or capable of causing death
- "a deadly enemy"
of an instrument of certain death
- "deadly poisons"
extremely poisonous or injurious; producing venom
involving loss of divine grace or spiritual death
- "the seven deadly sins"
exceedingly harmful
(of a disease) having a rapid course and violent effect

Adverb

as if dead
(used as intensives) extremely
- "deadly dull"
- "deadly earnest"

Adj

Subject to death; mortal.
Causing death; lethal.
Aiming or willing to destroy; implacable; desperately hostile.
Very accurate (of aiming with a bow, firearm, etc.).
Very boring.
Excellent, awesome, cool.

Adv

Fatally, mortally.
In a way which suggests death.
Extremely, incredibly.

Origin / Etymology

From Middle English dedly, dedlych, dedlich, from Old English dēadlīċ (adjective), from Proto-West Germanic *dauþalīk, from Proto-Germanic *dauþalīkaz (“deadly”, literally “deathly”). By surface analysis, dead + -ly. Cognate with Saterland Frisian dodelk (“deadly”), West Frisian deadlik (“deadly”), Dutch dodelijk (“deadly”), German tödlich (“deadly”), Swedish dödlig (“deadly, fatal, mortal”), Icelandic dauðlegur (“mortal”).
The adverb is from Middle English dedliche, from Old English dēadlīċe (adverb), from the adjective.

Synonyms

baneful, deathly, deucedly, devilishly, insanely, lethal, lifelessly, madly, mortal, pernicious, pestilent, venomous, virulent

Scrabble Score: 11

deadly is a valid Scrabble (US) TWL word
deadly is a valid Scrabble Word in Merriam-Webster MW Dictionary
deadly is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 11

deadly is a valid Words With Friends word