Adjective
Not fixed in any way to a surface. Relying solely on the force of gravity to stay in place
That stands alone, not supported at either side
free-standing mountain
independent, autonomous
Source: en.wiktionary.orgA number of architectural records, including those of the world's tallest building and tallest free-standing structure, moved to the Middle East with the opening of the Burj Khalifa in Dubai, United Arab Emirates. Source: Internet
As approached from the cloister, as in the picture above, it is seen framed by an arch and columns, the shape of which are echoed in its free-standing form. Source: Internet
Crannogs have been variously interpreted as free-standing wooden structures, as at Loch Tay, although more commonly they exist as brush, stone or timber mounds that can be revetted with timber piles. Source: Internet
At the top a capital (also known as a chapiter) or finial decorate the column, depending on whether it is attached to a structure or free-standing. Source: Internet
Also, it’s best to favor ATMs that are installed inside of a building or wall as opposed to free-standing machines, which may be more vulnerable to tampering. Source: Internet
A number of Esperanza's subprojects were integrated back into Wikipedia as free-standing projects, but most of them are now inactive. Source: Internet