from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Lack or neglect of observance.
from the GNU version of the Collaborative International Dictionary of English
- n. Want or neglect of observance; inobservance.
from The Century Dictionary and Cyclopedia
- n. The state or character of being unobservant; want of observation; inattention. Lack of compliance with the requirements of some law, rule, or ceremony: as, the unobservance of the prescribed forms of old law.
un- + observance (Wiktionary)