Solution:Prosaic (Adjective) = not challenging; dull and lacking excitement; lacking wit or imagination.Uninspiring (Adjective) = not producing excitement or interest.
Curring (Adjective) = skill in achieving one's ends by deceit; crafty, deceitful.
Patriotic (Adjective) = having or expressing devotion to and vigorous support for one's country.
Poetic (Adjective) = relating to or used in poetry; zealous.
Hence, Uninspiring is the synonym of Prosaic.