| sedevacantist | n. | believer in idea that the Holy See has been vacant since death of Pope Pius XII, due to mainstream Catholic embrace of modernist ideas, epitomized by the Second Vatican Council | ||
| sedulous | adj. | diligent; persistent | ||
| seel | v. | to sew a hawk’s eyes shut for training purposes | ||
| seethe | v. | to boil | obsolete | |
| seiche | n. | sudden perturbation or oscillation of the water surface of a lake or bay | ||
| seidel | n. | large beer mug | ||
| seisin | n. | possession or right of possession of land or chattels | ||
| seity | n. | selfhood | ||
| selachian | adj. | of or related to the subclass Elasmobranchii consisting of sharks, rays, etc.; sharklike | ||
| selcouth | adj. | strange, marvelous, unusual | archaic | |
| selkie | n. | mythological creature of the sea, appearing as a seal in the water, but becoming a human woman upon dry land | ||
| sellsword | n. | mercenary | ||
| selvage | n. | finishing of woven material so that the edge will not unravel | ||
| semiosic | adj. | of or related to semiotics | ||
| sempiternal | adj. | eternal | ||
| send down | v. | to expel | ||
| sennight | n. | seven days, a week | archaic | |
| sennit | n. | braided straw or grass used for small crafts or hats | ||
| sentence adverb | n. | adverb modifying entire content of a sentence | ||
| sententious | adj. | given to or using aphorisms or maxims; affectedly formal or self-righteous | ||
| septenary | adj. | of or related to the number seven or to a group of seven; a set or group of seven; a period of seven years; (music) the seven notes of a diatonic scale | ||
| sequacious | adj. | tending to blindly follow others; pliable, easily molded | ||
| sequaciously | adv. | in logical order; with blind following | ||
| sequela | n. | morbid consequence of previous disease; any consequence | ||
| serac | n. | irregular towers of glacial ice | ||
| sere | adj. | dry, dried out; barren | ||
| sericulture | n. | production of silk through farming of silkworms | ||
| serinette | n. | 18th century mechanical instrument capable of playing programmed tunes through pipes by turning a crank, meant to teach songs to caged birds | ||
| serous | adj. | of or related to serum; watery like animal bodily fluid | ||
| serry | v. | to press close together (usu. in ranks) | ||
| servery | n. | location where food is served; canteen | British | |
| sesquipedalian | adj. | long-winded, given to using big words; polysyllabic | ||
| sessile | adj. | immobile; attached immediately by the base | biology | |
| sett | n. | lair of a badger; distinctive pattern of a Scottish tartan | ||
| settle | n. | long high-backed bench; something to sit upon | ||
| severy | n. | vaulted roof between two arches | architecture | |
| shabracque | n. | saddlecloth used by European hussars | ||
| shagreen | n. | untanned leather with rough pebbled surface; sharkskin used as an abrasive | ||
| shail | v. | to shuffle, to walk in an irregular stumbling manner; to drag the feet while walking | ||
| shallop | n. | two-masted boat suited for coastal waters | ||
| shallot | n. | onion-like bulb used in food often in a similar manner | ||
| shambles | n. | slaughterhouse; scene of carnage | ||
| shambolic | adj. | messy, very disorganized | ||
| shandrydan | n. | hooded chaise; old ramshackle two-wheeled horse carriage or cart | ||
| shandy | n. | drink made up of beer and lemonade | ||
| shanks’ mare | n. | one’s own legs used in walking in contradistinction from other modes of transport | idiom | |
| shatter | v. | to break into pieces; [drug slang] cannabis extract similar to wax with translucent amber to yellow appearance and tendency to break, with affects (allegedly) similar to hash oil | ||
| shatter-brained | adj. | thoughtless, addlepated, giddy | ||
| shawm | n. | medieval double-reed woodwind with a conical shape | ||
| shellback | n. | experienced sailor |
