Unspecified (adjective)

Not clearly and explicitly stated or identified.

Origin:

From un- (prefix meaning "not") + specified (adjective meaning "clearly and explicitly stated or identifie.d")

Examples:

1. The date of the meeting is unspecified.
2. The amount of the damages is unspecified.
3. The cause of the accident is unspecified.
4. The item was returned for unspecified reasons.
5. The details of the plan are unspecified and still under discussion.