| A | B |
| repartee | a quick, witty reply or retort; cleverness and wti in making replies |
| repugnant | distasteful; repulsive |
| resilient | easily springing back to original form; flexible; recovering quickly |
| rigorous | very strict; exact; difficult and demanding |
| rudiment | a fundamental principle, rule, or step |
| sallow | grayish yellow in color; sickly pale |
| sanction | authorized permission or approval; a step taken by a country to force another country to obey international law; to confirm, approve, or permit officially |
| sartorial | relating to tailors and their work; pertaining to men's clothing or dress |
| satiate | to satisfy an appetite or desire fully or to excess |
| scapegoat | a person or thing taking the blame for the mistakes and crimes of others |