adjective. Not conforming to the principles or criteria of art.

adjective. Lacking taste or interest in art.

Not artistic; not conformable to the rules or principles of art; deficient in liking for or appreciation of art.

adjective. Lacking in artistic ability.

adjective. Not done in an artistic style.

adjective. lacking aesthetic sensibility

"Whether they ought to be called inartistic or not, we will leave time to decide, if it has not done so already; the Russian and other Slavonic composers, who are now coming more and more to the front, seem to be little in doubt as to their legitimacy."

artistic  

inaesthetic  unaesthetic  

banal  cumbersome  half-ruinous  illegible  inappropriate  

artless  crude  inartificial