ûn-

Mane (Îngilîzî)

1. Used to form nouns denoting a lack of the prefixed noun; un-
2. Used to form adjectives meaning the lack of the characteristic of the suffixed adjective; un-

Etîmolojî (Îngilîzî)

From Old Frisian un-, from Proto-West Germanic *un-. Cognates include Saterland Frisian uun- and English un-.