suppression, n. quelling, overthrow; repression, restraint; concealment, secretion.

supreme, a. transcendent, preeminent, superlative, paramount, predominant.

surcingle, n. girth.

sure, a. certain, inevitable; positive, confident, assured, sanguine, convinced; unfailing, infallible, unerring, inerrable, abiding, stable, trustworthy, reliable, dependable, secure, safe.  Antonyms:  uncertain, doubtful, dubious.

sureness, n. certainty, inevitability, assurance, certitude, safety, positiveness.

surety, n. sureness, certainty; security, pledge, guaranty; bondsman; substitute, hostage; sponsor; ratification, corroboration.

surface, n. exterior, outside, superficies.

surfeit, n. fullness, repletion, satiety; superabundance, plethora.

surgeon’s case of instruments. tweese.

surgery, n. aciurgy.

surly, a. morose, sullen, crabbed, unamiable, gruff, inurbane, snarling, crusty.

surmise, v. suppose, conjecture, suspect, guess, opine.

surmise, n. supposition, conjecture, guess, suspicion.

surmount, v. overtop; conquer, overcome, vanquish.

surmountable, a. superable, conquerable.  Antonyms:  insuperable, unsurmountable.

surname, n. patronymic, cognomen.

surpass, v. excel, exceed, outdo, outstrip, transcend.

surpassing, a. exceeding, superior, preeminent, transcendent, supereminent.

surplus, n. surplusage, excess, overplus, residue, remainder.

surprise, v. amaze, astonish, astound.

surprise, n. amazement, astonishment.

surprising, a. astonishing, amazing, astounding, marvelous.

surrender, v. relinquish, yield, abandon, capitulate, waive, remit.

surrender, n. relinquishment, capitulation, yielding.

surround, v. enclose, encircle, encompass, environ, hem in, corral, invest, intrench.

surrounding, a. circumambient, encompassing, encircling ambient, enveloping.

surroundings, n. pl. environment, entourage.

surveying, n. survey, chorometry; geodesy.  Associated Words:  theodolite, transit, perambulator.

susceptible, a. sensitive, impressionable, impressible, tender.

suspect, v. mistrust, distrust, doubt; conjecture, surmise.

suspenders, n. pl. gallowses, braces.

suspense, n. uncertainty, wavering, hesitation, irresolution.

suspension, n. pendency; delay, respite, postponement, abeyance.

suspicion, n. mistrust, misgiving, distrust; surmise, conjecture, supposition; (Colloq.) suggestion, hint.

swag, n. (Slang) booty, boodle, loot, plunder, spoil.

swaggering, n. blustering, boasting, roistering.

swallow, v. ingurgitate; gulp, bolt, engorge, englut; ingulf, suck in, absorb, submerge, engulf, overwhelm; accept, believe, credit; appropriate, arrogate, monopolize, engross; bear, brook, tolerate, pocket.