| Word | Definition |
| opportunist | someone who takes advantage of every opportunity, regardless of the consequences |
| illiteracy | the inability to read and write |
| intellectual | appealing to or involving intelligence or mental ability |
| regression | a return to a earlier, less advanced (worsening) condition |
| tangible | something that is able to be seen, touched, or felt; real |
| obscure | to hide from sight or knowledge |
| cower | to shrink away, as in fear or shame |
| invariably | constantly; always, every time |
| hypothesis | an unproven idea or theory |
