The Fear of the Lord is both genuine terror fear and reverence.
Many say its not fear as in terror fear but that is incorrect.
Inasmuch as these people draw near with their mouths and honor Me with their lips, but have removed their hearts far from Me, and their fear toward Me is taught by the commandment of men, therefore, behold, I will again do a marvelous work among this people, a marvelous work and a wonder; for the wisdom of their wise men shall perish. (Isaiah 29:13-14)
We got to preach the biblical fear of the Lord.
And do not fear those who kill the body but cannot kill the soul. But rather fear Him who is able to destroy both soul and body in hell. (Matthew 10:28)
There is a reason to have a terror fear and a feeling of awe and reverence.
Some very clear passages.
He is unique, and who can make Him change? And whatever His soul desires, that He does. For He performs what is appointed for me, and many such things are with Him. Therefore I am terrified at His presence; when I consider this, I am afraid of Him. For God made my heart weak, and the Almighty terrifies me. (Job 23:13-16)
If You, Lord, should mark iniquities, O Lord, who could stand? But there is forgiveness with You, that You may be feared. (Psalm 130:3-4)
The face of the Lord is against those who do evil, to cut off the remembrance of them from the earth, (Psalm 34:16)
And because of the majesty that [God] gave him, all peoples, nations, and languages trembled and feared before him. Whomever he wished, he executed; whomever he wished, he kept alive; whomever he wished, he set up; and whomever he wished, he put down. (Daniel 5:19)
Behold, God is great, and we do not know Him; nor can the number of His years be discovered. For He draws up drops of water, which distill as rain from the mist, which the clouds drop down and pour abundantly on man. Indeed, can anyone understand the spreading of clouds, the thunder from His canopy? Look, He scatters his light upon it, and covers the depths of the sea. For by these He judges the peoples; He gives food in abundance. He covers His hands with lightning, and commands it to strike. His thunder declares it, the cattle also, concerning the rising storm. At this also my heart trembles, and leaps from its place. (Job 36:26-37:1)
His heart trembles!
Listen to the Lord here.
“Do you not fear Me?” says the Lord. “Will you not tremble at My presence, who have placed the sand as the bound of the sea, by a perpetual decree, that it cannot pass beyond it? And though its waves toss to and fro, yet they cannot prevail; though they roar, yet they cannot pass over it. But this people has a defiant and rebellious heart; they have revolted and departed. They do not say in their heart, ‘Let us now fear the Lord our God, who gives rain, both the former and the latter, in its season. He reserves for us the appointed weeks of the harvest.’ Your iniquities have turned these things away, and your sins have withheld good from you.” (Jeremiah 5:22-25)
Inasmuch as there is none like You, O Lord (You are great, and Your name is great in might), who would not fear You, O King of the nations? For this is Your rightful due. For among all the wise men of the nations, and in all their kingdoms, there is none like You. (Jeremiah 10:6-7)
Take note of this one.
The Lord of hosts, Him you shall hallow; let Him be your fear, and let Him be your dread. (Isaiah 8:13)
A very powerful passage and shows what the true fear of the Lord is.