unpoetical
/ˌʌn.ˌpoʊ.ɪˈtɪ.kəl/Definitions
1. adjective
Lacking poetic or imaginative quality; lacking beauty or charm in expression or style.
“The unpoetical language used in the report made it difficult to read.”
2. adverb
In a way that is not poetic or imaginative.
“She spoke unpoetically about the beauty of nature.”