a joyous adjective describes a person, place, or thing as joyful or happy.
joyous can only be used to describe concrete nouns i.e. a person, place, or thing and cannot be used to describe an abstract emotion or feeling. Joyous can be used to describe feelings of great delight, happiness, and pleasure.
1. He was filled with joyous delight when he heard the news.
2. The joyous festivities were attended by the whole town.
3. She wore a joyous smile all day long.
avoid using joyous as a noun to describe abstract emotions or feelings. Joyous implies a more intense emotion than just happiness and should be used accordingly. When using joyous to describe something other than a person, use it after the noun.