Impolitic (adjective)

Not wise or shrewd in terms of politics or diplomacy; not tactful; not prudent.

Origin:

Impolitic is derived from the word "policy" which means "a course of action or conduct adopted by a government, business, or individual.".

Examples:

1. His impolitic remark caused a diplomatic incident.
2. Her impolitic move caused her to lose the support of her party.
3. The impolitic decision made by the government was criticized by the public.
4. The impolitic behavior was not appropriate for a public figure.
5. The impolitic move cost the company a major contract.