Know the definition of infamous before using it in a sentence. There are four different definitions of the word, including a law definition.
Use infamous according to the first definition: having a bad reputation or being known for something horrible that has become well known. For example: He was the infamous murderer.
Write infamous with the second definition in mind: causing infamy or something scandalous. For example: This infamous embezzlement will never be forgotten.
Take infamous and use it with the third definition: a place where something truly horrible or unlucky happened. For example: That infamous meadow was where her life was taken.
Use the word with the law definition in mind: a type of person who has been convicted of a crime. For example: The infamous parolee has to complete 200 hours of community service.