Oxford Dictionary English tax return nounnoun BrE BrE//ˈtæks rɪtɜːn// ; NAmE NAmE//ˈtæks rɪtɜːrn// Add to my wordlistjump to other resultsan official document in which you give details of the amount of money that you have earned so that the government can calculate how much tax you have to paySee tax return in the Oxford Advanced American DictionaryCheck pronunciation: tax return oxfordlearnersdictionaries.com