deadly

US /ˈded.li/
UK /ˈded.li/
"deadly" picture
1.

causing or able to cause death

:
•
The cobra's venom is deadly.
•
He suffered a deadly blow to the head.
:
fatallethalmortalkillingterminal
2.

extremely thorough or effective

:
•
She delivered a deadly accurate shot.
•
His wit was deadly, leaving everyone speechless.
:
effectivepotentpowerfuldevastatingformidable
1.

to an extreme or excessive degree

:
•
He was deadly serious about his threat.
•
The air was deadly still.
:
extremelyexceedinglyexceptionallyterriblyawfully