Question

definition
mournful; gloomy, especially in an exaggerated way

Explanation:

The definition provided ("mournful; gloomy, especially in an exaggerated way") likely corresponds to a vocabulary term. In the Arts subfield of Linguistics (which deals with language, including word definitions and meanings), this is a common task of identifying a word from its definition. The word that fits this definition is "maudlin" (or other similar terms, but "maudlin" is a key term with this meaning: overly sentimental or gloomy, often in an exaggerated manner).

Answer:

The word matching the definition "mournful; gloomy, especially in an exaggerated way" is likely "maudlin" (other possible terms could exist, but "maudlin" is a primary term with this connotation).