Strong's #546: apeileo (pronounced ap-i-leh'-o)

of uncertain derivation; to menace; by implication, to forbid:--threaten.

Thayer's Greek Lexicon:

̓́

apeileō

1) to threaten, menace

Part of Speech: verb

Relation: of uncertain derivation

Usage:

This word is used 2 times:

 

Acts 4:17: "further among the people, let us straitly threaten them, that they speak"
1 Peter 2:23: "when he was reviled, reviled not again; when he suffered, he threatened not; but committed"