| Answer | Crossword Clue |
|---|---|
| purposeful | Having a useful purpose |
| meaningful | Having a serious, important, or useful quality or purpose |
| usefully | USEFUL, serving a purpose |
| behovely | useful (serving a purpose) |
| constructive | Serving a useful purpose; tending to build up |
| superbug | A bacterium that is useful in biotechnology, typically one that has been genetically engineered to enhance its usefulness for a particular purpose |
| superbugs | A bacterium that is useful in biotechnology, typically one that has been genetically engineered to enhance its usefulness for a particular purpose |
