| Answer | Crossword Clue |
|---|---|
| UNDUE | Not necessary |
| UNNEEDED | Not necessary |
| OPTIONAL | Not necessary |
| NONEED | 'That's not necessary' |
| FRILL | It's not necessary |
| FRILL | Desirable but not necessary |
| VOLTAIRE | "If God did not exist, it would be necessary to invent him" writer |
| VOLTAIRE | He wrote "If God did not exist, it would be necessary to invent him" |
