very (to a high degree): It’s very cold here at night. The house seems very old.
extremely (to a very high degree): That was extremely interesting. I’m extremely sorry for making you wait.
really informal (very; extremely): I had a really great meal last night.
so informal (very; extremely): She is so cute. The dress was so lovely.
highly (to a high degree or amount): Our staff are highly skilled.
exceedingly formal (to a very great degree): Some of the students have performed exceedingly well. The room was exceedingly hot.
desperately (very much; extremely): These trees desperately need water.
remarkably (to a remarkable degree): The hotel has a remarkably good restaurant.