Secular
(adj) not specifically pertaining to religion, relating to the world
Sedition
(n) behavior that promotes rebellion or civil disorder against the state
Seminal
(adj) influential in an original way, providing a basis for further development; creative
Sequester
(v) to set apart, seclude
Seraphic
(adj) angelic, sweet
Simian
(adj) apelike; relating to apes
Sinecure
(n) a well-paying job or office that requires little or no work
Sobriquet
(n) a nickname
Sojourn
(n) a temporary stay, visit
Solicitous
(adj) anxious, concerned; full of desire, eager
Sophomoric
(adj) exhibiting great immaturity and lack of judgment
Spartan
(adj) highly self-disciplined; frugal, austere
Specious
(adj) having the ring of truth but actually being untrue; deceptively attractive
Sportive
(adj) frolicsome, playful
Squalid
(adj) filthy and degraded as the result of neglect or poverty
Stalwart
(adj) marked by outstanding strength and vigor of body, mind, or spirit
Stasis
(n) a state of static balance or equilibrium; stagnation
Stint
(v) to be sparing or frugal; to restrict with respect to a share or allowance
Stipulate
(v) to specify as a condition or requirement of an agreement or offer
Stratify
(v) to arrange or divide into layers
Strident
(adj) loud, harsh, unpleasantly noisy
Stringent
(adj) imposing severe, rigorous standards
Stymie
(v) to block or thwart
Subterranean
(adj) hidden, secret; underground
Sully
(v) to tarnish, taint
Superfluous
(adj) extra, more than necessary
Supersede
(v) to cause to be set aside; to force out of use as inferior, replace
Supplant
(v) to replace (another) by force; to take the place of
Surmount
(v) to conquer, overcome
Sybarite
(n) a person devoted to pleasure and luxury
Tactile
(adj) producing a sensation of touch
Tantamount
(adj) equal in value or effect
Tautological
(adj) having to do with needless repetition, redundancy
Tawdry
(adj) gaudy, cheap, showy
Temerity
(n) unreasonable or foolhardy disregard for danger, recklessness
Tempestuous
(adj) stormy, turbulent
Temporal
(adj) having to do with time
Tenacious
(adj) tending to persist or cling; persistent in adhering to something valued or habitual.
Tenet
(n) a principle, belief, or doctrine accepted by members of a group
Tenuous
(adj) having little substance or strength; flimsy, weak
Terse
(adj) concise, brief, free of extra words
Thwart
(v) to block or prevent from happening; frustrate, defeat the hopes or aspirations of
Titular
(adj) existing in title only; having a title without the functions or responsibilities
Toady
(n) one who flatters in the hope of gaining favors
Tortuous
(adj) having many twists and turns; highly complex
Tout
(v) to praise or publicize loudly or extravagantly
Trajectory
(n) the path followed by a moving object, whether through space or otherwise; flight
Transient
(adj) short-lived, existing only briefly
Tremulous
(adj) trembling, timid; easily shaken
Trounce
(v) to beat severely, defeat
Truculent
(adj) disposed to fight, belligerent
Turgid
(adj) swollen as from a fluid, bloated