Base'less adjective Without a base; having no foundation or support. 'The baseless fabric of this vision.' Shak. Found on http://www.encyclo.co.uk/webster/B/18
groundlessadjective without a basis in reason or fact; `baseless gossip`; `the allegations proved groundless`; `idle fears`; `unfounded suspicions`; `unwarranted jealousy` Found on https://www.encyclo.co.uk/local/20974