Synonyms for substantiated in English

Antonyms

• unfounded
• unsubstantiated
• unsupported
• groundless
• baseless
• unproven
• unwarranted
• unreasonably
• unreasonable
• unconfirmed
• unjustified
• undocumented
• uncorroborated
• unverified
• unproved
• untested
• unjustifiable
• unexplained
• unaudited
• unaccounted
• ill-founded
• without merit
• uncalled for
• uncertified
• unchecked
• unmotivated
• untried
• unprincipled
• unmeritorious
• untrue
• without any grounds
• without foundation
• without substance
• ungrounded
• misplaced
• false
• ...