General:
* Inspiring: A sermon that motivates and uplifts.
* Powerful: A sermon that has a strong impact on the listener.
* Moving: A sermon that evokes emotion.
* Thought-provoking: A sermon that encourages reflection and contemplation.
* Informative: A sermon that provides knowledge or understanding.
More specific:
* Fire and brimstone: A sermon that focuses on the dangers of sin and hell.
* Evangelistic: A sermon that aims to convert people to a particular faith.
* Theological: A sermon that focuses on religious doctrine.
* Pastoral: A sermon that offers guidance and comfort.
* Prophetic: A sermon that speaks out against injustice or calls for change.
Informal:
* Long-winded: A sermon that is excessively lengthy.
* Dry: A sermon that is dull and uninteresting.
* Preachy: A sermon that is overly moralistic or judgmental.
To choose the best adjective, consider the specific qualities of the sermon you are describing.