| splash out | v. | to lavishly spend cash | British | |
| splenetic | adj. | bad-tempered, testy, peevish, irittable | ||
| splificate | v. | to annihilate, to obliterate, to destroy | slang | |
| sploot | v. | to lie flat upon the stomach with outstretched legs | ||
| spokeshave | n. | two-handled cutting implement with blade in the middle, used for shaping wheel spokes or other curved edges of wood | ||
| spondulics | n. | spending money (also spondulix or spondulicks) | slang | |
| spoony | adj. | silly, foolish (of persons); foolishly amorous | ||
| sprat | n. | small fish of the herring family; small thing of little consequence | ||
| sprezzatura | n. | studied nonchalance, art of making quite difficult work seem effortless | ||
| spring tide | n. | tide soon after a new or full moon; copious rush, swelling flow; springtime | ||
| springald | n. | 2 | young man, stripling | |
| springald | n. | 1 | medieval engine of warfare used for shooting large bolts | |
| sprog | n. | child; [RAF] young recruit | British | |
| spume | n. | froth, foam – esp. of the sea | ||
| squabash | v. | to crush, to squash | Scots | |
| squalid | adj. | foul, filthy; depraved | ||
| squamous | adj. | composed of scales, covered with scales, scaly | ||
| squassation | n. | variant of strappado in which heavy weights are bound to the victim’s ankles and instead of merely being lifted by the arms bound behind the back the victim is jerked up repeatedly | ||
| squelch | v. | to suppress, to put down; to make a sucking sound as of feet attempting to pull themselves from mud | ||
| squiffy | adj. | drunk, intoxicated | ||
| squill | n. | lily-like plant found in Europe; sea onion | ||
| squinch | n. | scuncheon; structure placed across corner of interior walls to hold up some superstructure | ||
| squirearchal | adj. | of or related to the country’s landed gentry as a collective body; of or related to rule by squires | ||
| squiz | n. | glance, look, gander | ||
| St. Martin’s summer | n. | unseasonable warm November weather | British | |
| stadial | adj. | of or related to geological ages; of or related to stages of society, civilization, etc. | ||
| stadium boot | n. | over-the-ankle fleece-lined boot for wear whilst sitting out in cold weather for a long time | ||
| staggering | adj. | overwhelming, unbelievable | ||
| stale | v. | to urinate, esp. of horses or cattle | ||
| stammtisch | n. | usual table | ||
| stamping ground | n. | hangout, haunt, frequented place | ||
| stanch | v. | to cut off the flow of; to quench; to repress | ||
| stanhope | n. | two- or four-wheeled horse-drawn buggy | ||
| stannary | adj. | of or related to tin mining | British | |
| stap me vitals | int. | exclamation of anger or surprise | slang | |
| star-crossed | adj. | ill fated, doomed by the stars | ||
| starling | n. | pointed set of pilings around a bridge pier for protecting from the impact of debris or vessels | ||
| staunch | adj. | determined, steadfast, true to one’s principles or purpose | ||
| steatopygic | adj. | having a fat ass, of or related to the possession of very large buttocks due to the accumulation of fat there and in the thighs and hips (esp. in women) | ||
| steatorrhea | n. | abnormal presence of fat in stool | ||
| steelyard | n. | weighing balance with unequal arms | ||
| steeplejack | n. | one who climbs steeples and towers to effect repairs | ||
| steeve | v. | to compress and pack into a ship’s hold | ||
| stellenbosch | v. | to be set aside, to be shifted sideways (from Boer War, when poor officers were sent to the Western Cape town of the same name to look after horses, without losing rank) | idiom | |
| stemwinder | n. | invigorating speech, esp. rousing political oration | slang | |
| stengah | n. | whiskey and soda | ||
| step-in | n. | women’s panties of light material with wide legs, fashionable in 1920s and 1930s (also step-ins) | ||
| steppe-witch | n. | any of the easily dislodged round plants of the Russian steppes which roll with the wind after dying off, tumbleweed | ||
| stereotype | n. | single metal plate of type made from mold of a forme of composed type | ||
| sternutatory | adj. | causing sneezing |