Overenthusiastic (adjective)

Excessively or overzealously enthusiastic.

Origin:

Over- + enthusiastic, from greek enthousiasmos, from enthousiazein to be inspired, from enthous inspired, from en- + theos god.

Examples:

1. The coach had to calm down his overenthusiastic players before the game started.
2. She got an overenthusiastic response from her fans.
3. He was overenthusiastic about the new project and wanted to start it right away.
4. The overenthusiastic child couldn't sit still during the movie.
5. The overenthusiastic volunteer wanted to do more than was required.