Nonoccurrence (noun)

The state or fact of not occurring, happening, or taking place; the lack of occurrence or manifestation of something.

Origin:

Derived from the latin non, meaning 'not', and occurrence, meaning 'an occurrence, an event, or a happening'.

Examples:

1. The nonoccurrence of the expected event was disappointing to many who had hoped for a positive outcome.
2. The nonoccurrence of the desired outcome was attributed to the lack of resources and support from the stakeholders.
3. The nonoccurrence of the expected results was a cause for concern and a sign of the need for further investigation.
4. The nonoccurrence of the anticipated phenomenon was a surprising result, given the previous studies and observations.
5. The nonoccurrence of the necessary conditions was a major obstacle to the success of the project, and required creative solutions and alternatives.