Unambiguous (adjective)

Clear, leaving no doubt; not open to more than one interpretation.

Origin:

Late 16th century: from un- (expressing negation) + ambiguous.

Examples:

1. The instructions were unambiguous.
2. The results of the study were unambiguous.
3. The statement was unambiguous.
4. The evidence is unambiguous.
5. The conclusion is unambiguous.