Strong H6012עָמֵק

unfathomable

Definition

From H6009; deep (literally or figuratively): - {deeper} {depth} strange.

1) deep, unfathomable
1a) unintelligible (of speech)
Aramaic equivalent: a.miq (עֲמִיק "deep" H5994)

Strong H6012 appears in 4 verses of the KJV.

Proverbs 9:18
But he knoweth not that the dead are there; and that her guests are in the depths of hell.
Isaiah 33:19
Thou shalt not see a fierce people, a people of a deeper speech than thou canst perceive; of a stammering tongue, that thou canst not understand.
Ezekiel 3:5
For thou art not sent to a people of a strange speech and of an hard language, but to the house of Israel;
Ezekiel 3:6
Not to many people of a strange speech and of an hard language, whose words thou canst not understand. Surely, had I sent thee to them, they would have hearkened unto thee.