The word Lackadusy is misspelled against Lackadaisy, an adjective meaning "Lackadaisical."
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Word contains consecutive vowels 'AI' in between alphabets lackad & sy is misspelled as 'U'
Wrong Spelling:  lackad-u-sy 
Correct Spelling:  lackad-ai-sy 
Check more misspelled words of Lackadaisy to spell it correct.