unbacked

adjective5

1. •
   Not supported or backed up (by someone or something).

   • The warlike Wench amongst the Greekes doth stand Vnbackt by Troy, left of her Damsels all, The battery of a thousand swords she bides, Till her yron plates are hew’d off from her sides. — 1609
2. •
   Having no (or few) backers.
3. •
   Having no back.
4. •
   (of a plate) Not having an antihalation backing.
5. •
   (no longer used) Of an animal: never having been ridden or not accustomed to being ridden; not (currently) being ridden.

   • […] like unback’d colts, they prick’d their ears, Advanced their eyelids, lifted up their noses As they smelt music: — 1610