|Noah Webster's Dictionary|
(imp. & p. p.) of Deepen.
Deepened (2 Occurrences)
Psalms 65:10 Its ridges have been filled, Deepened hath been its furrow, With showers Thou dost soften it, Its springing up Thou blessest. (YLT)
Isaiah 31:6 Turn back to Him from whom sons of Israel Have deepened apostacy. (YLT)