Ill-famed and Nefarious

Ill-famed adjective - Known widely and usually unfavorably.

Nefarious and ill-famed are semantically related. in shameful topic. In some cases you can use "Nefarious" instead an adjective phrase "Ill-famed".

Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.

Ill-famed and nefarious are semantically related. You can use "Ill-famed" instead an adjective "Nefarious".