The phrase "pat down" has several synonyms that can be used interchangeably in various contexts. Some of the most common synonyms for the phrase include frisk, search, grope, check, and inspect. These synonyms are frequently used by law enforcement when performing a search for weapons or other prohibited items. The word "frisk" connotes a more thorough and careful search, while "grope" suggests a more invasive and inappropriate search. "Check" and "inspect" are more general terms that may be used in situations where a less intrusive search is required, such as at an airport security checkpoint. Overall, these synonyms provide a range of options for expressing the act of searching or examining a person or object in a thorough and systematic manner.