Mind-boggling synonyms | phrases

Phrases with similar meaning for Mind-boggling

• mind-blowing

  overwhelming, big
• eye-opening

  overwhelming
• awe-inspiring
• unheard-of
• mind-bending
• unheard of
• eye-popping
• jaw-dropping
• out of this world
• mind-altering
• too much
• beyond belief
• rip-roaring
• hair-raising
• heart-stopping
• undreamed of
• far out
• unthought of
• gee-whizz
• out of the question
• not to be thought of
• not understandable
• beyond wildest dreams
• beyond reason
• far-fetched
• for the birds
• full of holes
• open to doubt
• past belief
• hard to believe
• undreamed-of
• hard to swallow
• high-voltage