“Harmful synonymy” is a linguistic phenomenon that occurs when two or more words or phrases have the same or similar meanings but differ in their connotations or implications. This can lead to misunderstandings or misinterpretations, as the choice of one word over another can subtly change the meaning of a sentence or passage. For example, the words “kill” and “murder” both refer to the act of taking a life, but “murder” carries a more negative connotation, implying that the act was unlawful or malicious.
Harmful synonymy can be a particular problem in legal and medical contexts, where precise language is essential. In the law, for example, the use of the word “negligence” instead of “recklessness” can have a significant impact on the outcome of a case. Similarly, in medicine, the use of the word “tumor” instead of “cancer” can lead to unnecessary anxiety or confusion for patients.