Inconclusive (adjective)

1. Not leading to a definite conclusion; not decisive.
2. Not providing a clear answer or solution; not final.
3. Not conclusive; not providing a definite outcome or decision.

Origin:

From the latin word "inconclusus" meaning "not closed" or "not settled".

Examples:

1. The results of the experiment were inconclusive.
2. The meeting was inconclusive and no decision was reached.
3. The evidence presented was inconclusive and did not prove the defendant guilty.
4. The discussion was inconclusive and both parties agreed to continue the conversation at a later date.
5. The study was inconclusive and more research is needed to draw a solid conclusion.