| Answer | Crossword Clue |
|---|---|
| guarded | Cautious and having possible reservations |
| saturated | (of an organic molecule) Containing the greatest possible number of hydrogen atoms, and so having no carbonûcarbon double or triple bonds |
| unsaturated | (of organic molecules) Having carbonûcarbon double or triple bonds and therefore not containing the greatest possible number of hydrogen atoms for the number of carbons |
