nonutilitarian
adjective
non·util·i·tar·i·an ˌnän-(ˌ)yü-ˌti-lə-ˈter-ē-ən 
: not utilitarian
especially : characterized by or aiming at beauty or ornament rather than utility
His production over the years has included upholstery, suiting, and rugs, but most of his objects are strictly nonutilitarian. 
The Encyclopedia of American Art
The Encyclopedia of American Art 
Example Sentences
Recent Examples on the Web More broadly, have these nonutilitarian requests prompted any future plans for Alexa? Laura Stevens, WSJ, 23 Oct. 2017
Laura Stevens, WSJ, 23 Oct. 2017 Word History
First Known Use
circa 1866, in the meaning defined above