The phrase "avoidance of taxes" can be described using a variety of synonyms that refer to the act of surreptitiously evading taxation. Some common synonyms include "tax evasion," "tax dodging," "illicit tax avoidance," and "unlawful tax reduction." Another synonym could be "tax non-compliance," which refers to the failure to accurately report and pay taxes according to legal requirements. Regardless of the terminology used, avoiding taxes is not only illegal but also deprives governments of the resources necessary to provide vital public services. Therefore, it is important to ensure compliance with tax laws and regulations to maintain a healthy and robust economy.