| Term | Definition |
| reconcile | settle a quarrel restore peace |
| recondite | little known abstruse |
| recreancy | cowardice a cowardly giving up |
| recuperate | become strong after illness loss exhaustion |
| redeem | get back by payment compensate |
| redoubtable | formidable causing fear |
| refine | make or become pure cultural |
| refractory | stubborn unmanageable untractable |
| refulgent | shining brilliant |
| regale | to delight or entertain to feast |
| regicide | crime of killing a king |
| reiterate | say or do again several times |
| rejuvenation | becoming young in nature or appearance |
| relapse | fall back again |
| reminiscent | viewing the past |
| remonstrate | to protest object |
| render | deliver provide represent |
| renovate | restore something to better condition |
| renowned | celebrated famous |
| repast | meal |
| repel | refuse to accept/cause dislike |
| repine | at be discontented with |
| reproach | scold upbraid |
| reprobate | person hardened in sin one devoid of decency |
| repudiate | disown refuse to accept or pay |
| repulsive | causing a feeling of disgust |
| requite | repay give in return |
| rescind | repeal/annul/cancel |
| resigned | unresisting submissive |
| resilience | quality of quickly recovering the original shape |
| resort | to frequently visit |
| restive | refusing to move reluctant to be controlled |
| resuscitation | coming back to consciousness |
| retard | check hinder |
| reticent | reserved untalkative silent taciturn |
| retrospective | Looking back on past |
| revere | have deep respect for |
| reverent | feeling or showing deep respect |
| riddle | puzzling person or thing |
| rift | split crack dissension |
| rivet | fix take up secure metal pin |
| roll | call calling of names |
| rotund | rich and deep plump and round |
| ruffian | violent cruel man |
| rumple | make rough |
| sagacious | having sound judgment perceptive wise like a sage |
| salacious | obscene |
| salubrious | healthful |
| salutary | remedial wholesome causing improvement |
| sanctimony | self-righteousness hypocritical with FALSE piety |
| sanction | approval (by authority) penalty |
| sanguine | cheerful confident optimistic |
| sanity | health of mind soundness of judgment |
| sash | long strip worn round the waist |
| satiate | satisfy fully |
| saturnine | gloomy dark sullen morose |
| savant | person of great learning |
| savor | taste flavor something |
| sawdust | tiny bits of wood |
| scabbard | sheath for the blade |
| scent | smell (especially pleasant) |
| scorch | become discolored/dry up/go at high speed |
| scribble | write hastily |
| scurvy | mean contemptible |
| secular | material (not spiritual) living outside monasteries |
| sedulous | persevering |
| seminal | like a seed constituting a source originative |
| sententious | short and pithy full of maxims/proverbs |
| sequence | succession connected line of |
| sere | make hard and without feeling |
| sermon | reproving a person for his faults |
| serrated | having a toothed edge |
| serration | having a toothed edge |
| servile | like a slave lacking independence |
| sever | break off |
| severance | severing |
| shallow | little depth not earnest |
| shard | piece of broken earthenware |
| sheath | cover for the blade of a weapon or a tool |
| shrewd | astute showing sound judgement |
| shrill | sharp piercing |
| shun | keep away from avoid |
| shunt | send from one track to another lay aside evade discussion |
| sidestep | step to one side |
| simper | (give a) silly/self-conscious smile |
| sinuous | winding undulating serpentine |
| skiff | small boat |
| skit | short piece of humorous writing |
| slack | sluggish dull not tight |
| slake | to assuage to satisfy allay |
| slate | king of blue-grey stone propose criticize |
| sluggard | lazy slow-moving person |
| slur | join sounds/words (indistinct) |
| smolder | burn slowly without flame |
| snare | trap |
| snub | treat with contempt |
| soar | rise fly high |
| sober | self-controlled |
| sobriety | quality or condition of being sober |
| sodden | soaked saturated |