unimportance
unim·por·tance
noun
1.
the grammatical relation between linguistic units (words or phrases or clauses) that are connected by a conjunction
Origin
From un- + importance.
Related words
Narrower terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.