Frisk means to search for something or someone thoroughly, often for legal or security purposes. There are several synonyms for this word, including search, pat-down, check, scan, and inspect. Each of these words carries a slightly different connotation - a search may be more thorough and formal, while a pat-down is typically more physical and hands-on. Similarly, a check may be done quickly or casually, while an inspection implies a more detailed and deliberate examination. Ultimately, the most appropriate synonym for frisk will depend on the context in which it is used and the level of scrutiny required.