unfounded

un·found·ed
adj
Definition of UNFOUNDED
: lacking a sound basis : groundless, unwarranted
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Examples of UNFOUNDED
<the accusation proved to be unfounded>

Related to UNFOUNDED
Synonyms: baseless, foundationless, invalid, nonvalid, groundless, unreasonable, unsubstantiated, unsupported, unwarranted
Antonyms: good, hard, just, justified, reasonable, reasoned, substantiated, valid, well-founded, well-grounded
http://www.merriam-webster.com/dictionary/unfounded 2011 12 21, 19:30 +05:30