unoriginal adjective 3noun 1forms 3 adjective3 •Lacking originality.Redundancies are as unoriginal as Insipidities, and the Spirit of an Author may be as much overwhelmed in Exuberance on the one Hand, as it evaporates in Frigidity on the other. — 1758 •(rare) Not being the first or earliest version of something, not original. •(no longer used) Without an origin or source.[I] plung’d in the womb Of unoriginal Night and Chaos wilde, — 1667 noun1 •A person or work that does not exhibit originality.Ahmad (1969) studied the personality differences among middle school girls identified as originals and unoriginals on the Minnesota's test of creative thinking. — 1975 formsunoriginals · more unoriginal · most unoriginal