Toll-free and Voluntary

Toll-free adjective - Having no toll levied for its use.

Voluntary and toll-free are semantically related. In some cases you can use "Voluntary" instead an adjective phrase "Toll-free".

Voluntary adjective - Done, made, or given with one's own free will.

Toll-free and voluntary are semantically related. Sometimes you can use "Toll-free" instead an adjective "Voluntary".

Nearby Words: volunteer, voluntarily, voluntarism, voluntaryism