* Jolly (adjective) - means cheerful, happy, or merry.
* Jollier (comparative) - used to compare the happiness or cheerfulness of two things or people.
* Jolliest (superlative) - used to describe the most happy or cheerful thing or person.
Example Sentences:
* "He's a jolly fellow."
* "She was jollier than usual."
* "He was the jolliest person in the room."