unsupported

Without physical support.

The bombed bridge was left unsupported and soon collapsed.

This makes it the thinnest unsupported gold ever created and it could be used in electronics and medical devices going forward.

For which support or help is not available.

This obsolete software is unsupported. Please upgrade to the latest version.

Without confirmation from a credible source, without verifying support

The sentence was unsupported by an inline citation or general bibliographic reference source notes.

The newspaper wrote that Jorn Barger, who started his Robot Wisdom weblog in 1997, is "regarded by many" as the "first blogger". But who are these "many"? If a blogger had written that phrase, it would have come with a link to the source. The Wall Street Journal's unsupported claim, though hedged with admissions of other contenders to the "first blogger" title, only reinforced the feeling, endemic among bloggers, that the mainstream media, derisively acronymised as MSM, just can't get anything right.

Not supported by or borne out of evidence or facts.