旷废

旷废	kuàng fèi	to neglect (work) / to waste (one's talents)
旷	kuàng	to neglect / to skip (class or work) / to waste (time) / vast / loose-fitting
废	fèi	to abolish / to abandon / to abrogate / to discard / to depose / to oust / crippled / abandoned / waste
废	fèi	variant of 废 / disabled