the form on which you have to give information so that your tax can be calculated:
• There are step-by-step instructions on how to fill out a tax return.
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tax return UK US noun [C] (also income tax return, also tax form) TAX, ACCOUNTING
► a document in which income is reported each year so that income tax can be calculated: »
corporate/personal tax return
to complete/fill in/file a tax return »You need to file a tax return each year.
Financial and business terms. 2012.