King James Bible

DEAD'LY, adjective ded'ly.

1. That may occasion death; mortal; fatal; destructive; as a deadly blow or wound.

2. Mortal; implacable; aiming to kill or destroy; as a deadly enemy; deadly malice a deadly feud.

DEAD'LY, adverb ded'ly. In a manner resembling death; as deadly pale or wan.

2. Mortally.

With groanings of a deadly wounded man. Ezekiel 30:24.

3. Implacably; destructively.

4. In a vulgar or ludicrous sense, very; extremely; as a deadly cunning man.