- without a title: an untitled gentleman; an untitled book.
- having no right or claim.
- without a titlean untitled manuscript
- having no claim or titlean untitled usurper
adj.1610s, “unnamed,” from un- (1) “not” + past participle of title (v.). Meaning “having no right” is from 1660s; that of “undistinguished” is from 1798.