adjective

• Having a bad reputation; disreputable; notorious; unpleasant or evil; widely known, especially for something scornful.
• Causing infamy; disgraceful.
• (UK, historical) Subject to a judicial punishment that deprived the infamous person of certain rights; this included a prohibition against holding public office, exercising the franchise, receiving a public pension, serving on a jury, or giving testimony in a court of law.