It was extremely cold this Winter.
freezing
The meal was really tasty.
delicious
The baby was very pretty.
gorgeous
I was so pleased with my present.
delighted
The documentary was incredibly interesting.
fascinating
My dog was really sad when I went on holidays.
miserable
The film was incredibly scary.
terrifying, petrifying
The boy spoke English so well. It was very surprising as he had only been studying it for a year.
astonishing, astounding
The children were extremely dirty after playing in the mud.
filthy
The necklace was very special. I had never seen anything like it before.
unique
After the long journey, I was really hungry.
starving
The animal was extremely ugly.
hideous, monstrous, grotesque
Your attendance at the meeting is extremely important.
vital, critical
Her behaviour at the party was extremely stupid.
ridiculos
The car chases in the movie were extremely exciting.
thrilling
The film was extremely long; it seemed to go on for hours.
endless
The cost of renting an apartment in Barcelona is extremely expensive.
exorbitant
The soldiers in the war were incredibly brave.
fearless
It is very probable that there will be elections this year.
inevitable
The quality of the student's work is really unsatisfactory.
unacceptable
Those jewels are incredibly valuable.
priceless
The new flat was extremely clean.
spotless
The new proposals of the government are really crazy.
insane
My schedule is very busy.
hectic
The climax of the book was really strange.
bizarre