14 they invaded all Egypt and settled down in every area of the country in great numbers. Never before had there been such a plague of locusts, nor will there ever be again.

Read Exodus 10:14 Using Other Translations

And the locusts went up over all the land of Egypt, and rested in all the coasts of Egypt: very grievous were they; before them there were no such locusts as they, neither after them shall be such.
The locusts came up over all the land of Egypt and settled on the whole country of Egypt, such a dense swarm of locusts as had never been before, nor ever will be again.
And the locusts swarmed over the whole land of Egypt, settling in dense swarms from one end of the country to the other. It was the worst locust plague in Egyptian history, and there has never been another one like it.