Below are the words that matched your query...
Underivative
- not derivative or imitative; "a natural underivative poet"
Unoriginal
- not original; not being or productive of something fresh and unusual; "the manuscript contained unoriginal emendations"; "his life had been unoriginal, conforming completely to the given pattern"- Gwethalyn Graham
Unreformed
- unaffected by the Reformation
Undraped
- lacking drapery or draperies; "undraped windows"
- stripped of drapery; "the undraped statue"
- strip something of drapery
Unroofed
- having no roof; "an unroofed shed"
Uncoated
- not having a coating; "uncoated paper"
Undisguised
- plain to see; "undisguised curiosity"
Undercover
- conducted with or marked by hidden aims or methods; "clandestine intelligence operations"; "cloak-and-dagger activities behind enemy lines"; "hole-and-corner intrigue"; "secret missions"; "a secret agent"; "secret sales of arms"; "surreptitious mobilization of troops"; "an undercover investigation"; "underground resistance"