Baseless a. : Without a base; having no foundation or support.

Example:
How is it OK to post unfounded and Baseless charges about Palin, but somehow a violation when it's about Obama?

Taxonomy
baseless, dictionary, Baseline, Encyclopedia, unfounded, unwarranted, foundation, Synonyms, online dictionary, adjective, accusations, thesaurus browser, Free Online Dictionary, Translations, antonyms, unsupported, Basel, English dictionary.

Defination from the web:
baseless in the Online Dictionary. Meaning of baseless. Pronunciation of baseless. Translations of baseless. baseless synonyms, baseless antonyms. ... baseless ... Her perfectly baseless conviction that time would yet bring about my meeting with Mary, partly irritated, ...