濫 - excessive, overflow, spread out

overflowing; flood; inundation; deluge

abuse of rights; improper use of a privilege

excessive or unreasonable legal action; vexatious litigation

morally corrupt; slovenly; obscene

source; beginning; origin

flood plain

flooding within the confines of a levee (i.e. caused by surface runoff, drainage failure, etc.)

morally corrupt

overproduction; careless manufacture; churning out (substandard goods)