Oxford Dictionary English stealth tax nounnoun BrE BrE//ˈstelθ tæks// ; NAmE NAmE//ˈstelθ tæks// (British English, disapproving) Add to my wordlistjump to other resultsa tax that is collected in a way that is not very obvious, so people are less aware that they are paying itCheck pronunciation: stealth tax oxfordlearnersdictionaries.com