Psalms 55:5

“Fearfulness and trembling are come upon me, etc.] Fear and dread of mind, and trembling of body; and horror hath overwhelmed me; or “covered me”; he was in the utmost consternation and surprise at what he apprehended would be the issue of things; so Christ in the garden is said to be “sore amazed”, (<411433>Mark 14:33); all which terror, fearfulness, trembling, and horror, arose from a sense of sin imputed to him, even of all the sins of his people, the faith of which must be nauseous to him, and the guilt thereof pressing upon him; and from a feeling of the wrath of God, and the curse of the law, which he endured in the room and stead of his people; and this shows the truth of his human…”

“come upon--or literally, "into."”

“Fearfulness and trembling - Fear so great as to produce trembling. Compare the notes at Job 4:14. He knew not when these things would end. How far the spirit of rebellion had spread he knew not, and he had no means of ascertaining. It seemed as if he would be wholly overthrown; as if his power was wholly at an end; as if even his life was in the greatest peril. And horror hath overwhelmed me - Margin, as in Hebrew, “covered me.” That is; it had come upon him so as to cover or envelop him entirely. The shades of horror and despair spread all around and above him, and all things were filled with gloom. The word rendered “horror” occurs only in three other places; - Ezekiel 7:18, rendered (as…”

“Fearfulness: Psa 119:120; Sa2 15:14; Job 6:4, Job 23:15, Job 23:16 horror: Psa 42:6, Psa 61:2, Psa 88:15, Psa 88:16; Luk 22:44 overwhelmed: Heb. covered Psalms 55:6”