Meaning
लापरवाह, Careless, Lacking care or attention to duty
Key
re (दोबारा) miss
Link
तूने इस काम को दोबारा miss कर दिया, तू तो बहुत लापरवाह है.
Synonyms
dilatory, inefficiency, inattentive, negligent, blameworthy
Usage
it would be very remiss of me not to pass on that information