New Living Translation
For their tongues shoot lies like poisoned arrows. They speak friendly words to their neighbors while scheming in their heart to kill them.

American Standard Version
Their tongue is a deadly arrow; it speaketh deceit: one speaketh peaceably to his neighbor with his mouth, but in his heart he layeth wait for him.

Berean Study Bible
Their tongues are deadly arrows; they speak deception. With his mouth a man speaks peace to his neighbor, but in his heart he sets a trap for him.

Douay-Rheims Bible
Their tongue is a piercing arrow, it hath spoken deceit: with his mouth one speaketh peace with his friend, and secretly he lieth in wait for him.

English Revised Version
Their tongue is a deadly arrow; it speaketh deceit: one speaketh peaceably to his neighbour with his mouth, but in his heart he layeth wait for him.

King James Bible
Their tongue is as an arrow shot out; it speaketh deceit: one speaketh peaceably to his neighbour with his mouth, but in heart he layeth his wait.

World English Bible
Their tongue is a deadly arrow; it speaks deceit: one speaks peaceably to his neighbor with his mouth, but in his heart he lays wait for him.

Young's Literal Translation
A slaughtering arrow is their tongue, Deceit it hath spoken in its mouth, Peace with its neighbour it speaketh, And in its heart it layeth its ambush,

Jeremiah 9:8 Additional Translations ...