1. Unit 2

2.  To have a gentle disposition  Favorable  A mild type

3.  Harmful  Malign

4.  Joyfully enthusiastic

5.  Downcast  Austere

6.  Fearful of what may be coming

7.  tranquil  confident

8.  Extremely careful in thinking about or dealing with small details

9.  Carelessly  negligent

10.  To withdraw or retreat from.

11.  Acquire  keep

12.  Free or released from some condition or requirement.

13.  Apply  Bound

14.  An order forbidding something.

15.  Allowance  Granted

16.  Needed for completeness.

17.  Extra  Additional

18.  A feeling of cheerfulness or high spirits.

19.  Boring  depressing

20.  To become smaller or disappear.

21.  Increase  Grow