* "-ous" is a common adjective suffix. It often means "full of" or "having the quality of."
* "Marvel" is the root word. It means "something that causes wonder or amazement."
Therefore, "marvelous" means "full of wonder" or "amazing."
Let's look at some other examples:
* Dangerous: "Danger" (noun) + "-ous" = "full of danger"
* Fabulous: "Fable" (noun) + "-ous" = "like a fable," or "extraordinary"
* Courageous: "Courage" (noun) + "-ous" = "full of courage"
By recognizing the "-ous" suffix, you can quickly understand that the word is an adjective and its meaning is related to the root word.