Correct

废弛

/ fèichí / 
Strokes

Definition

to fall into disuse (of laws, customs etc)/to neglect

Example

As a Verb

(of a law, custom, discipline, etc) cease to be binding; run hollow; become lax

1
Jiàojǐ
校纪
fèichí
废弛
  
。

School discipline has become lax.