'Terrible' in the Bible
"Then we set out from Horeb, and we went [through] the whole [of] that great and terrible desert that you saw [on] the way [to] the hill country of the Amorites as Yahweh our God had commanded us, and [so] we came up to Kadesh Barnea.
the one leading you in the great and terrible desert [infested] with {dangerous} snakes and scorpions and parched ground, where there is no water, [and] the one bringing out water for you from flint rock,
Then Saul said, "I have sinned! Come back, David my son, for I will not harm you again, because my life [was] precious in your eyes this day. Look, I have acted like a fool and {have made a terrible mistake}."
And it happened [that] {after many days, at the end of two years}, his bowels came out because of his illness, and he died in terrible agony. And his people did not make a fire for him like the fire for his ancestors.
When you did terrible deeds [which] we did not {expect}, you came down; [the] mountains quaked because of your {presence}.