懈 (w)

(xiè) lax; negligent

懈弛 (w)

(xièchí) slack (discipline)

懈怠 (w)

(xièdài) slack; lazy; remiss

懈惰 (w)

(xièduò) slack; idle

懈气 (w)

(xièqì) to slacken off; to take it easy