亂 [py] luàn [wg] luan [ko] 란 ran [ja] ラン ran ||| (1) Disorderly, confused, reckless. Disorder, disturbance, agitation; revolution. (2) Disordered, disturbed, agitated, confused, haphazard. (3) A scattered mind. The opposite of concentration or samādhi (定). 

[Dictionary References] Naka1407a [Credit] cmuller(entry) cwittern(py)

Disturb, perturb, confusion, disorder, rebellion.

A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous