Ответ:

1)unnecessary

2)unsafe

3)untidy

4)unbreakable

5)unregular

6)unreal

7)inexpensive

8)unhappy

9)impossible

10)unusual

11)uncomfortable

12)indirect

13)uninteresting

14)impatient

15)inconvenient

16)unpopular

Объяснение:

undirect, unsafe, untidy, unconvenient, unregular, unreal, unexpensive, unhappy, unpossible, unusual, uncomfortable, unnecessary, uninteresting, inpatient, unbreakable, unpopular.