Dictionary.com
Thesaurus.com
Synonyms

unsupported

British  
/ ˌʌnsəˈpɔːtɪd /

adjective

  1. not supported physically, financially, or emotionally

    unable to sit up unsupported

  2. not upheld by evidence or facts; unsubstantiated

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012