adjective
infamous
IN-fuh-muhs/ˈɪnfəməs/
Well known for something bad or disgraceful.
The infamous swindler is recognized by customers he previously cheated.

Etymology
These pieces originally suggested “not well-known,” but the word merged with another meaning “of ill repute.” Its modern sense therefore concerns a bad reputation, not a lack of recognition.
In context
One of the more infamous side effects of ACE inhibitors is a chronic dry cough, which in rare cases can escalate into coughing fits that disrupt sleep or daily activities.
More examples
- The prison became infamous for harsh conditions.
- He studied the infamous scandal.
- The road was infamous for dangerous bends.
Forms
infamous
infamy noun — a reputation for disgraceful conduct