scoundrel n。 A man without principle。
scribble n。 Hasty； careless writing。
scribe n。 One who writes or is skilled in writing。
script n。 Writing or handwriting of the ordinary cursive form。
Scriptural adj。 Pertaining to； contained in； or warranted by the Holy Scriptures。
scruple n。 Doubt or uncertainty regarding a question of moral right or duty。
scrupulous adj。 Cautious in action for fear of doing wrong。
scurrilous adj。 Grossly indecent or vulgar。
scuttle v。 To sink （a ship） by making holes in the bottom。
scythe n。 A long curved blade for mowing； reaping； etc。
seance n。 A meeting of spirituals for consulting spirits。
sear v。 To burn on the surface。
sebaceous adj。 Pertaining to or appearing like fat。
secant adj。 Cutting； especially into two parts。
secede v。 To withdraw from union or association； especially from a political or religious body。
secession n。 Voluntary withdrawal from fellowship； especially from political or religious bodies。
seclude v。 To place； keep； or withdraw from the panionship of others。
seclusion n。 Solitude。
secondary adj。 Less important or effective than that which is primary。
secondly adv。 In the second place in order or succession。
second…rate adj。 Second in quality； size； rank； importance； etc。
secrecy n。 Concealment。
secretary n。 One who attends to correspondence； keeps records。 or does other writing for others。
secretive adj。 Having a tendency to conceal。
sedate adj。 Even…tempered。
sedentary adj。 Involving or requiring much sitting。
sediment n。 Matter that settles to the bottom of a liquid。
sedition n。 Conduct directed against public order and the tranquillity of the state。
seditious adj。 Promotive of conduct directed against public order and the tranquillity of the state。
seduce v。 To entice to surrender chastity。
sedulous adj。 Persevering in effort or endeavor。
seer n。 A prophet。
seethe v。 To be violently excited or agitated。
seignior n。 A title of honor or respectful address； equivalent to sir。
seismograph n。 An instrument for recording the phenomena of earthquakes。
seize v。 To catch or take hold of suddenly and forcibly。
selective adj。 Having the power of choice。
self…respect n。 Rational self…esteem。
semblance n。 Outward appearance。
semicivilized adj。 Half…civilized。
semiconscious adj。 Partially conscious。
semiannual adj。 Recurring at intervals of six months。
semicircle n。 A half…circle。
seminar n。 Any assemblage of pupils for real research in some specific study under a teacher。
seminary n。 A special school； as of theology or pedagogics。
senile adj。 Peculiar to or proceeding from the weakness or infirmity of old age。
sensation n。 A condition of mind resulting from spiritual or inherent feeling。
sense n。 The signification conveyed by some word； phrase； or action。
sensibility n。 Power to perceive or feel。
sensitive adj。 Easily affected by outside operations or influences。
sensorium n。 The sensory apparatus。
sensual adj。 Pertaining to the body or the physical senses。
sensuous adj。 Having a warm appreciation of the beautiful or of the refinements of luxury。
sentence n。 A related group of words containing a subject and a predicate and expressing a plete thought。
sentience n。 Capacity for sensation or sense…perception。
sentient adj。 Possessing the power of sense or sense…perception。
sentinel n。 Any guard or watch stationed for protection。
separable adj。 Capable of being disjoined or divided。
separate v。 To take apart。
separatist n。 A seceder。
septennial adj。 Recurring every seven years。
sepulcher n。 A burial…place。
sequacious adj。 Ready to be led。
sequel n。 That which follows in consequence of what has previously happened。
sequence n。 The order in which a number or persons； things； or events follow one another in space or time。
sequent adj。 Following in the order of time。
sequester v。 To cause to withdraw or retire； as from society or public life。
sequestrate v。 To confiscate。
sergeant n。 A non…missioned military officer ranking next above a corporal。
sergeant…at…arms n。 An executive officer in legislative bodies who enforces the orders of the presiding officer。
sergeant…major n。 The highest non…missioned officer in a regiment。
service n。 Any work done for the benefit of another。
serviceable adj。 Durable。
servitude n。 Slavery。
severance n。 Separation。
severely adv。 Extremely。
sextet n。 A band of six singers or players。
sextuple adj。 Multiplied by six。
sheer adj。 Absolute。
shiftless adj。 Wanting in resource； energy； or executive ability。
shrewd adj。 Characterized by skill at understanding and profiting by circumstances。
shriek n。 A sharp； shrill outcry or scream； caused by agony or terror。
shrinkage n。 A contraction of any material into less bulk or dimension。
shrivel v。 To draw or be drawn into wrinkles。
shuffle n。 A mixing or changing the order of things。
sibilance n。 A hissing sound。
sibilant adj。 Made with a hissing sound。
sibilate v。 To give a hissing sound to； as in pronouncing the letter s。
sidelong adj。 Inclining or tending to one side。
sidereal adj。 Pertaining to stars or constellations。
siege n。 A beleaguerment。
significance n。 Importance。
significant adj。 Important； especially as pointing something out。
signification n。 The meaning conveyed by language； actions； or signs。
similar adj。 Bearing resemblance to one another or to something else。
simile n。 A parison which directs the mind to the representative object itself。
similitude n。 Similarity。
simplify v。 To make less plex or difficult。
simulate v。 Imitate。
simultaneous adj。 Occurring； done； or existing at the same time。
sinecure n。 Any position having emoluments with few or no duties。
singe v。 To burn slightly or superficially。
sinister adj。 Evil。
sinuosity n。 The quality of curving in and out。
sinuous adj。 Curving in and out。
sinus n。 An opening or cavity。
siren n。 A sea…nymph； described by Homer as dwelling between the island of Circe and Scylla。
sirocco n。 hot winds from Africa。
sisterhood n。 A body of sisters united by some bond of sympathy or by a religious vow。
skeptic n。 One who doubts any statements。
skepticism n。 The entertainment of doubt concerning something。
skiff n。 Usually； a small light boat propelled by oars。
skirmish n。 Desultory fighting between advanced detachments of two armies。
sleight n。 A trick or feat so deftly done that the manner of performance escapes observation。
slight adj。 Of a small importance or significance。
slothful adj。 Lazy。
sluggard n。 A person habitually lazy or idle。
sociable adj。 Inclined to seek pany。
socialism n。 A theory of civil polity that aims to secure the reconstruction of society。
socialist adj。 One who advocates reconstruction of society by collective ownership of land and capital。
sociology n。 The philosophical study of society。
Sol n。 The sun。
solace n。 fort in grief； trouble； or calamity。
solar adj。 Pertaining to the sun。
solder n。 A fusible alloy used for joining metallic surfaces or margins。
soldier n。 A person engaged in military service。
solecism n。 Any violation of established rules or customs。
solicitor n。 One who represents a client in court of justice； an attorney。
solicitude n。 Uneasiness of mind occasioned by desire； anxiety； or fear。
soliloquy n。 A monologue。
solstice n。 The time of year when the sun is at its greatest declination。
soluble adj。 Capable of being dissolved； as in a fluid。
solvent adj。 Having sufficient funds to pay all debts。
somber adj。 Gloomy。
somniferous adj。 Tending to produce sleep。
somnolence n。 Oppressive drowsiness。
somnolent adj。 Sleepy。
sonata n。 An instrumental position。
sonnet n。 A poem of fourteen decasyllabic or octosyllabiclines expressing two successive phrases。
sonorous adj。 Resonant。
soothsayer n。 One who claims to have supernatural insight or foresight。
sophism n。 A false argument understood to be such by the reasoner himself and intentionally used to deceive
sophistical adj。 Fallacious。
sophisticate v。 To deprive of simplicity of mind or manner。
sophistry n。 Reasoning sound in appearance only； especially when designedly deceptive。
soprano n。 A woman's or boy's voice of high range。
sorcery n。 Witchcraft。
sordid adj。 Of degraded character or nature。
souvenir n。 A token of remembrance。
sparse adj。 Thinly diffused。
Spartan adj。 Exceptionally brave； rigorously severe。
spasmodic adj。 Convulsive。
specialize v。 To assume an individual or specific character； or adopt a singular or special course。
specialty n。 An employment limited to one particular line of work。
specie n。 A coin or coins of gold； silver； copper； or other metal。
species n。 A classificatory group of animals or plants subordinate to a genus。
specimen n。 One of a class of persons or things regarded as representative of the class。
specious adj。 Plausible。
spectator n。 One who beholds or looks on。
specter n。 Apparition。
spectrum n。 An image formed by rays of light or other radiant energy。
speculate v。 To pursue inquiries and form conjectures。
speculator n。 One who makes an investment that involves a risk of loss； but also a chance of profit。
sphericity n。 The state or condition of being a sphere。
spheroid n。 A body having nearly the form of a sphere。
spherometer n。 An instrument for measuring curvature or radii of spherical surfaces。
spinous adj。 Having spines。
spinster n。 A woman who has never been married。
spontaneous adj。 Arising from inherent qualities or tendencies without external efficient cause。
sprightly adj。 Vivacious。
spurious adj。 Not genuine。
squabble v。 To quarrel。
squalid adj。 Having a dirty； mean； poverty…stricken appearance。
squatter n。 One who settles on land without permission or right。
stagnant adj。 Not flowing： said of water； as in a pool。
stagnate v。 To bee dull or inert。
stagnation n。 The condition of not flowing or not changing。
stagy adj。 Having a theatrical manner。
staid adj。 Of a steady and sober character。
stallion n。 An uncastrated male horse； monly one kept for breeding。
stanchion n。 A vertical bar； or a pair of bars； used to confine cattle in a stall。
stanza n。 A group of rimed lines； usually forming one of a series of similar divisions in a poem。
statecraft n。 The art of conducting state affairs。
static adj。 Pertaining to or designating bodies at rest or forces in equilibrium。
statics n。 The bra