Synonyms for Without foundation

Synonyms starting with letter I

• illogical

  not based on fact
• idle

  not based on fact
• irrational

  not making sense
• incorrect

  not making sense
• implausible

  not making sense
• irrelevant

  not making sense
• inconsistent

  not making sense
• inconclusive
• incongruous
• invalid
• inconsequent
• illusory

  fictional
• imaginary

  fictional
• imagined

  fictional
• immaterial

  fictional
• insubstantial

  fictional
• imponderable
• ill-founded
• irreconcilable
• in the grave
• insupportable