| A | B |
| sequester | isolate; retire from public life; segregate; seclude |
| serendipity | gift for finding valuable or desirable things by accident; accidental good fortune or luck |
| serenity | calmness; placidity |
| serpentine | winding; twisting |
| serrated | having a sawtoothed edge |
| servitude | slavery; compulsory labor |
| sever | cut; separate |
| severity | harshness; intensity; sternness; austerity |
| shackle | chain; fetter |
| sham | pretend |
| shambles | wreck; mess |
| shard | fragment, genterally of pottery. |
| sheaf | bundle of stalks of grain; any bendle of things tied together |
| shear | cut or clip |
| sheathe | place into a case |
| sheer | very thin or transparent; very steep; absolute |
| shimmer | glimmer intermittently |
| shirk | avoid; malinger |
| shoddy | inferior; trashy; cheap |
| shrewd | clever; astute |
| shroud | hide form view; wrap for vurial |
| shun | keep away from |
| shyster | lawyer using questionable methods |
| sibling | brother or sister |
| simian | monkeylike |
| simile | comparison of one thing with another, using the word like or as |
| simper | smirk; smile affectedly |
| simplistic | oversimplified |
| simulate | feign |
| sinecure | weel-paid position with little responsibility |
| sinewy | tough; strong and firm |
| singular | unique; extraordinary; odd |
| sinister | evil;conveying a sense of ill omen |
| sinuous | winding; bending in and out; not morally honest |
| skiff | small, light sailboar or rowboat |
| skimp | provide scantily; live very economically |
| skinflint | stingy person; miser |
| skirmish | minor fight |
| skulk | move furtively and secretly |
| slacken | slow up; loosen |
| slag | residue from smelting metal; dross; waste matter |
| slake | quench; sate |
| slander | defamation; utterance of false and malicious statements |
| slapdash | haphazard; careless; sloppy |
| sleeper | something originally of little value or importance that in time becomes very valuable |
| sleight | dexterity |
| slight | insultto one's dignity; snub |
| slipshod | untidy or slovenly; shabby |
| slither | slip or slide |
| slothful | lazy |
| slough | cast off |
| slovenly | untidy;l careless in work habits |
| sluggard | lazy person |
| slur1 | speak indistinctly; mumble |
| slur2 | insult to one's character or reputation; slander |
| smelt | melt or blend ores, changing their chemical composition |
| smirk | conceited smile |
| smolder | burn with out flame; be liable to break any moment |
| snicker | half-stifled laugh |
| snivel | run at the nose; snuffle; whine |
| sobriety | moderation |
| sodden | soaked; dull, as if from drink |
| sojourn | temporary stay |
| solace | comfort in trouble |
| solder | repair or make whole by using a metal alloy |
| solecism | construction that is flagrantly incorrect gramatically |
| slemnity | seriousness; gravity |
| solicit | request earnestly; seek |
| solicitous | worried; concerned |
| soliloquy | talking to oneself |
| solitude | state of being alone; seclusion |
| soluble | able to be dissolved; able to be explained |
| solvent1 | able to pay all debts |
| solvent 2 | substance that dissolves another |