| A | B |
| Copious | abundant; plentiful/ adj. |
| Tenacious | tough; stubborn; not letting go/ adj. |
| Surreptitious | done or acting in a secret, sly manner/ adj. |
| Voracious | an insatiable appetite for an activity or persuit; eager to consume great amount of food/ adj. |
| Officious | ready to serve; eager in offering unwanted services or advice/ adj. |
| Spurious | not genuine; false/ adj. |
| Onerous | troublesome or oppressive; burden/ adj. |
| Gregarious | seeking and enjoying the company of others; sociable/ adj. |
| Pious | devout or virtuous; holy/ adj. |
| Scrupulous | careful of small details; honest; conscientious/ adj. |