deadly

adjective

Causing death; lethal.

Aiming or willing to destroy; implacable; desperately hostile.

Very accurate (of aiming with a bow, firearm, etc.).

(informal) Very boring.

(informal, Australian Aboriginal, Ireland, Newfoundland) Excellent, awesome, cool.

(obsolete, rare) Subject to death; mortal.

adverb

Extremely, incredibly.

In a way which suggests death.

(obsolete) Fatally, mortally.

Synonyms & related words for deadly

Find synonyms, related words, and the definition of deadly — including lethal, deathly, mortal, virulent, venomous, pestilent. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to deadly

Explore words related to deadly — words associated with it, words that go with it, and its nearest matches in meaning. Related words include deadliness, lethality, nonlethal, lethally, sublethal, nonfatal, lifelessly, sublethally. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for deadly

Common synonyms for deadly include lethal, deathly, mortal, virulent, venomous, pestilent, fatal, baneful — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.