| Answer | Crossword Clue |
|---|---|
| GNARLIER | More difficult, in slang |
| KILLER | Difficult challenge, in slang |
| UPTHECREEK | In a difficult position: Slang. |
| GRISTLIER | More difficult to chew, in a way |
| ILLER | More cool, in slang |
| OILED | More than tipsy, in slang |
| GINUP | Make more exciting, in slang |
| HOPUP | Make more powerful, in slang |
| TANK | Cell for more than one, in slang |
