1. 控制不住的；未受控制的；不加约束的
If you describe someone's behaviour as uncontrolled, you mean they appear unable to stop it or to make it less extreme.

2. （形势或活动）不受控制的，未加制止的
If a situation or activity is uncontrolled, no-one is controlling it or preventing it from continuing or growing.

1. not being under control
out of control

e.g. the greatest uncontrolled health problem is AIDS
uncontrolled growth