incompletion

noun
UK /ˌɪnkəmˈpliːʃən/
US /ˌɪnkəmˈpliːʃən/

Incompletion is when something is not finished yet.

The incompletion of the puzzle left one piece missing.


OTHER MEANINGS

2. The state of lacking something that is needed to be whole.

The incompletion of the form meant it could not be accepted.

3. A task or project that has been left undone.

His list of incompletions grew as he started new projects.

4. The act of not finishing something that was started.

The incompletion of the bridge delayed the whole road project.