Study the word list: Adjectives ending in ous

When you hear the /us/ sound on the end of an adjective it is spelled ous.

Spellzone list

adventurous	My Scout leader is very adventurous.
anonymous	I wonder who sent this anonymous letter.
disastrous	The General's battle plan was disastrous.
enormous	Elephants are enormous. *
fabulous	Have a fabulous time at the party.
famous	Vin Scully is a famous baseball commentator.
generous	Thank you for your generous donation.
hazardous	Travel to Mars could be very hazardous.
jealous	She has a very jealous boyfriend.
joyous	The birth of their baby was a joyous occasion.
miraculous	He has made a miraculous recovery.
mischievous	He is not malicious, just a little mischievous. *
momentous	Their wedding will be a momentous occasion.
mountainous	A large part of Austria is mountainous.
nervous	It was really clear that he was terribly nervous. *
numerous	He has had numerous offers of employment.
prosperous	The film star is marrying a prosperous banker.
ravenous	Let's eat soon, I'm really ravenous.
ridiculous	The way he was behaving was a little bit ridiculous. *
tremendous	There was a tremendous roar when the goal was scored. *