What Does Swear Filter Mean?

A swear filter is a piece of code, software product or other technology that allows users to filter out words and phrases in administrating a given system. These types of tools, often practical in the design and implementation of new technologies, can also be controversial as they may reflect national laws, regional laws or societal norms.

Techopedia Explains Swear Filter

Some of the most interesting examples of swear filter use in new technologies are based on systems that have been designed to speak artificially, where input from the Internet or other sources may include profane language.