| Answer | Crossword Clue |
|---|---|
| NONO | It's frowned upon |
| BADFORM | Frowned-upon conduct |
| DONTS | Things frowned upon |
| AINT | Frowned-upon contraction |
| NONOS | They're frowned upon |
| SIRS | Frowned-upon letter opener |
| ILLEGAL | More than frowned upon |
| ASBESTOS | Frowned-upon construction material |
| ESS | Frowned-upon feminizing suffix |
| TABU | More than frowned upon: Var. |
| ESS | Suffix frowned upon by feminists |
