| A | B |
| considerate | showing concern for the rights and feelings of others |
| frisky | full of energy |
| heedless | not thinking of other people's feelings |
| interesting | something that is exciting to you and holds your attention |
| permanent | lasting or meant to last |
| ridiculous | too silly to believe |
| sensible | to act wisely and show good judgement |
| sluggish | with little movement; very slow |
| tiresome | annoyingly dull or unexciting |
| unstable | easily moved or overthrown; not lasting |