Tax-free (adjective)

1. Not subject to taxes.
2. Exempt from taxes.

Origin:

Derived from the phrase "tax" and "free" meaning "not subject to taxes".

Examples:

1. The bond is tax-free.
2. The municipality offers tax-free shopping during certain days of the year.
3. The state has tax-free weekends for certain items.
4. The country has tax-free zones for businesses.
5. The account is tax-free for withdrawals made after a certain age.