Match the definition with the word.not precise; not clearly statedvagueiconicimperiousunmitigated

To match the definition "not precise; not clearly stated," the word that fits is "vague."

Here’s a brief overview of the other words for context:

1. Iconic: Representing an idea or image that is widely recognized and well-established.
2. Imperious: Having or showing the confident power and authority, often in a commanding way.
3. Unmitigated: Absolute or unqualified; often used to express a negative aspect without any reduction.

Thus, the correct match is:

• "not precise; not clearly stated" → vague.