Unconsummated (adjective)

Not completed or brought to a conclusion; not consummated.

Origin:

From un- (not) + consummated (completed, brought to a conclusion).

Examples:

1. The marriage was annulled due to the fact that it was unconsummated.
2. Despite the engagement, the couple broke up before the unconsummated wedding could take place.
3. The deal between the two companies fell apart, remaining unconsummated.
4. The treaty remained unconsummated, as the final signature was never made.
5. The sale of the property was unconsummated, as the buyer could not secure financing.