Definition of "deadly" in Englisch

adjective

1. (obsolete, rare) Subject to death; mortal.

2. Causing death; lethal.

3. Aiming or willing to destroy; implacable; desperately hostile.

   • deadly enemies

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

5. (informal) Very boring.

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

adverb

1. (obsolete) Fatally, mortally.

2. In a way which suggests death.

   • Her face suddenly became deadly white.

3. Extremely, incredibly.