Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z skyscraping Extremely tall; as tall as a skyscraper. skyship A manned vehicle that flies through the sky. skysill Horizon. skyspace An architectural design in which a room has a large hole in its ceiling, open to the sky. skysphere A sphere with a texture on its inner face, used to simulate the sky or similar backdrop around a three-dimensional playfield; a skydome. skysurf To practice the sport of skysurfing. skysurfer Someone who does skysurfing. skysurfing A kind of skydiving where the skydiver has a surfboard attached to the feet, and performs surfing-like stunts in midair. Skysweeper A kind of anti-aircraft gun used in the mid-20th century. skytime The time when a vehicle such as an airplane is in flight. skytubes Synonym of tube maze. skytyper Synonym of skywriter. skytyping Synonym of skywriting. skywalk Synonym of skybridge and skyway. skywalker A member of the Mohawk group of Native Americans; especially one who is or was involved in steelworking on tall buildings in New York City. skyward At or toward the sky. skywardly Toward the sky. skywards In the direction of the sky; upwards. skywatch To watch the sky for aircraft, satellites or UFOs or for stars, comets etc. skywatcher One who skywatches. skywave An electromagnetic wave refracted back to the Earth by the ionosphere. skyway An aeroplane route. skyworthy airworthy skywrite To write a message in the sky using the trail of smoke from a moving airplane. skywriter One who does skywriting. A pilot who writes messages, by leaving a trail of smoke from the plane, that are visible from the ground. skywriting Messages, left by leaving a trail of smoke from an airplane, that are visible from the ground. SL sine loco (without place [of publication]) slab A large, flat piece of solid material; a solid object that is large and flat. Slabaugh A surname. slabbed Encased in a slab (protective case). slabber To let saliva or other liquid fall from the mouth carelessly; drivel; slaver. slabberer One who slabbers, or drools. slabbery Like, or covered with, slobber; slippery; sloppy. slabbily In a slabby manner. slabbiness The quality of being slabby; sliminess, muddiness. slabbing An offcut of a tree trunk. slabby Of a liquid: thick; viscous. slablike Resembling a slab. slabness The state or condition of being slablike. slabstone A flat, rectangular piece of rock or stone used for paving or roofing. slabwise One slab at a time Slaby A surname. slack The part of anything that hangs loose, having no strain upon it. slackadaisical Slipshod and lazy; lacking diligence and effort. slackard slacker slackcom A sitcom which revolves around a slacker or slackers. slackcountry An off-piste terrain slacked Dressed in slacks. slacken To gradually decrease in intensity or tautness; to become slack; to lag. slackener One who slackens. slackening The act by which something slackens; loss of speed, tautness, etc. slacker One who procrastinates or is lazy; one who does not do their fair share or pull their own weight. slackerdom The world or lifestyle of slackers; laziness. slackerish Like a slacker; lazy, idle. slackerishly In a slackerish (lazy, idle) manner; lazily, indolently. slackerism laziness; idleness slackerly Characteristic of a slacker slackery Laxity; idleness; lack of requisite effort. slackful Full of laxity; characterised by laxness; relaxed; (by extension) unmotivated, lazy. slackish Somewhat slack. slackline A length of cable, rope, or webbing that hangs loosely from its points of suspension. slackliner Someone who walks on a slackline, often as a form of sport. slacklining A sport resembling tightrope walking but with the rope or webbing only partially taut. slackly In a slack manner. slackness The state of being slack; the quality of having slack. slackpack To hike on a multi-day trail without carrying a backpack. Typically, this is accomplished by having another person transport the backpack using a vehicle. slackpacker One who takes part in slackpacking. slackpacking backpacking without carrying a backpack (e.g. having someone else transport the backpack using a vehicle) slacks Semi-formal trousers which are less formal than those that are part of a suit but nowadays are considered suitable casualwear in most offices. (Takes a plural verb even when referring to a single pair; may be referred to as a pair of slacks.) slacktivism Half-hearted activism, usually in the form of posting badges, images, apps, or text on social media without taking further action. slacktivist One who partakes in slacktivism. slackwire A slackline. sladang A gaur or Indian bison (Bos gaurus). slade A valley, a flat grassy area, a glade. Sladek A surname. Sladen A surname from Old English. Sladesbridge A small village in Egloshayle parish, near Wadebridge, Cornwall, England (OS grid ref SX0171). slaframine An indolizidine alkaloidal mycotoxin that causes salivation in most animals. slag Waste material from a mine. slagbag A sexually promiscuous woman. Slagel A surname. Slagelse A town and municipality in western Zealand, Denmark. Slager A surname. slagfest An event or situation characterised by slagging off, or denigrating. Slagg A surname. slaggability The quality or degree of being slaggable. slaggable Able to be turned into slag. slagger One who slags. slagginess The state or condition of being slaggy (resembling or containing slag). slaggy Resembling or containing slag. Slaggyford A village in Knaresdale with Kirkhaugh parish, south-west Northumberland, England (OS grid ref NY6752). slagheap Something resembling a slag heap: a large quantity of something unwanted, unnecessary, discarded, or worthless; slop. Slaght A surname. Slagle A surname from German. slagless Free from slag. slaglessness The quality of being free from slag. slaglike Resembling or characteristic of slag. Slagter A surname from Dutch. slahal A gambling game of the indigenous peoples of the Pacific Northwest Coast, involving guessing which of a person's hands is concealing some bones or sticks. Slaidburn A village and civil parish (served by Slaidburn and Easington Parish Council) in Ribble Valley district, Lancashire, England (OS grid ref SD7152). slain Those who have been killed. slaister Mess. slaistery unctuous slaistry Wet, dirty; characteristic of slaister. Slaithwaite A village in the Metropolitan Borough of Kirklees, West Yorkshire, England (OS grid ref SE0814). slakable Capable of being slaked. slake To satisfy (thirst, or other desires). slaked Allayed; quenched; extinguished. slakeless Not capable of being slaked. slaker A machine that slakes, or mixes a substance with water. slalom The sport of skiing in a zigzag course through gates. slalomer A skier who takes part in a slalom slalomist slalomer slam To shut with sudden force so as to produce a shock and noise. Slama A surname. Slamannan A village in Falkirk council area, Scotland (OS grid ref NS8573). slamball A variety of basketball in which trampolines are positioned in front of each net. slambang With a slam and a bang; with noisy or headlong violence. slambook A notebook, passed between students or pen pals, for writing gossip or opinions. Slamet An active stratovolcano that summits in the Pemalang Regency of Central Java, Indonesia. slametan A Javanese communal feast, held to celebrate numerous types of event. slamfire The premature accidental discharge of a firearm while a round is being loaded into the chamber. slamfuck To have rough sex with someone (better definition needed) Slami A surname from Arabic. slammable Able to be slammed. slammaster A person whose role at poetry slams is a cross between that of a host and an emcee. slammed Very busy with work. slammer One who, or that which, slams. slammerkin A loose women's morning gown, popular in the eighteenth century. slamming Great; awesome. slammingly With a slamming sound or motion. slammock A slattern or awkward person. slamsex Consuming drugs whilst having sex, much like chemsex. slamwich A slammin' sandwich. slan A fan of science fiction. slance To steal; to pinch. slander A false or unsupported, malicious statement (spoken, not written), especially one which is injurious to a person's reputation; the making of such a statement. slanderbund An organized network of individuals or opposition accused of spreading malicious falsehoods or smear campaigns. slanderer One who slanders or defames the name or reputation of another person. slanderess A female slanderer. slandering The act of committing slander. slanderingly slanderously slanderous Both untrue and harmful to a reputation. slanderously In a slanderous manner; in a manner that causes slander; in a false and defamatory way. slanderousness The state or condition of being slanderous. slandersome Characterised or marked by slander. slane A one-eared spade for cutting turf or peat, consisting of an iron flat-bladed head and a long wooden shaft. Slaney A surname from Irish. slang Language outside of conventional usage and in the informal register. slangdom The world of slang; slang words and expressions collectively; the use of slang.