indeterminate
adj. C1 Advanced US //ˌɪndɪˈtɝmɪnɪt// UK //ˌɪndɪtˈɜːmɪnət// in·de·ter·mi·nate
adj. not having a clear or fixed shape, size, or purpose. In architecture, it describes buildings that look like they could be from many different styles.
adj. lacking a clear or fixed form, identity, or boundary. In architectural contexts, it describes structures that resist classification into a single style or period.
The building has an indeterminate style that mixes old and new.
The architect used an indeterminate design to create a space that felt both modern and traditional.
The indeterminate nature of the structure allows it to adapt to various urban environments without losing its core aesthetic identity.