Strong's Concordance

Original word: עָתַר
Transliteration: athar
Definition (short): deceitful
Definition (full): to be, abundant

NAS Exhaustive Concordance

Word Origin: a prim. root
Definition: to be abundant
NASB Translation: deceitful (1), multiplied (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

A primitive root; to be (causatively, make) abundant -- deceitful, multiply.
KJV: Faithful are the wounds of a friend; but the kisses of an enemy are deceitful.
NASB: Faithful are the wounds of a friend, But deceitful are the kisses of an enemy.
KJV: Thus with your mouth ye have boasted against me, and have multiplied your words against me: I have heard them.
NASB: "And you have spoken arrogantly against Me and have multiplied your words against Me; I have heard it."