Ancillary and Out-of-the-way

Ancillary adjective - Furnishing added support.

Out-of-the-way and ancillary are semantically related. In some cases you can use "Out-of-the-way" instead an adjective "Ancillary".

Out-of-the-way adjective - Different from the ordinary in a way that causes curiosity or suspicion.

Ancillary and out-of-the-way are semantically related. Sometimes you can use "Ancillary" instead an adjective phrase "Out-of-the-way".