unsupported
adjective /ˌʌnsəˈpɔːtɪd/
  /ˌʌnsəˈpɔːrtɪd/
- (of a statement, etc.) not proved to be true by evidence synonym unsubstantiated- Their claims are unsupported by research findings.
 
- not helped or paid for by somebody/something else- She has brought up three children unsupported.
 
- not physically supported- Sections of the structure have been left unsupported.