Replace with one word. 1) not necessary – 2) not safe — 3) not tidy — 4) not breakable — 5) not regular — 6) not real — 7) not expensive — 8) not happy — 9) not possible — 10) not usual —

1 .
2.unsafe
3.untidy
4.unbreakable
5.irregular
6.unreal
7.unexpensive
8.unhappy
9.impossible
10.unusual