Not displaying special art or skill; unskilful, inartistic, clumsy. Now rare or Obsolete.

Not in accordance with the principles of art; constructed without art or skill, rude, clumsy; inartistic.

Displaying no technical skill; inartistic.

(un-, prefix1 affix 1c affix 5b.)

Of things: Showing a lack of skill; badly made, crude, inartistic.