| Clue | Source | Date |
|---|---|---|
| Unprincipled, casually | ||
| Not kosher, slangily | Wall Street Journal | 10 Aug 2024 |
| Not on the up-and-up | Newsday | 09 Apr 2021 |
| Dishonest, informally | ||
| Crooked | ||
| Dishonest, informally | ||
| Not on the up-and-up | ||
| Not on the up-and-up | ||
| Criminal | ||
| Criminal | ||
| Not on the up and up | ||
| Not on the up and up | ||
| Not on the up-and-up |