from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The quality or state of happening every day, or frequently.
- n. The product or result of happening every day, or frequently.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. ordinariness as a consequence of being frequent and commonplace
From everyday + -ness. Compare the similarly-formed German Alltäglichkeit (alltäglich + -keit). (Wiktionary)