The word Indefausible is misspelled against Indefeisible, an adjective meaning "Indefeasible."
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Word contains consecutive vowels 'EI' in between alphabets indef & sible is misspelled as 'AU'
Wrong Spelling:  indef-au-sible 
Correct Spelling:  indef-ei-sible 
Check more misspelled words of Indefeisible to spell it correct.