8-letter words starting with si
- sinciput — the forepart of the skull.
- sinclair — Harry Ford, 1876–1956, U.S. oil businessman: a major figure in the Teapot Dome scandal.
- sine die — without fixing a day for future action or meeting: The assembly adjourned sine die.
- sinecure — an office or position requiring little or no work, especially one yielding profitable returns.
- sinfonia — a symphony.
- sinfully — characterized by, guilty of, or full of sin; wicked: a sinful life.
- sing out — to utter words or sounds in succession with musical modulations of the voice; vocalize melodically.
- singable — to utter words or sounds in succession with musical modulations of the voice; vocalize melodically.
- singling — only one in number; one only; unique; sole: a single example.
- singlish — a variety of English spoken in Singapore, incorporating elements of Chinese and Malay
- singsong — verse, or a piece of verse, that is monotonously jingly in rhythm and pattern of pitch.
- singular — extraordinary; remarkable; exceptional: a singular success.
- sinicism — something characteristic of or peculiar to the Chinese; a Chinese method, custom, or usage.
- sinicize — to make Chinese in character or bring under Chinese influence.
- sinified — to Sinicize.
- sinigrin — a colorless, crystalline, water-soluble solid, KC 1 0 H 1 6 NO 9 S 2 ⋅H 2 O, found chiefly in the seeds of the black mustard, that deters some insect predators.
- sinister — threatening or portending evil, harm, or trouble; ominous: a sinister remark.
- sinkable — to displace part of the volume of a supporting substance or object and become totally or partially submerged or enveloped; fall or descend into or below the surface or to the bottom (often followed by in or into): The battleship sank within two hours. His foot sank in the mud. Her head sinks into the pillows.
- sinkhole — a hole formed in soluble rock by the action of water, serving to conduct surface water to an underground passage.
- sinkiang — Xinjiang
- sinkless — unsinkable, as a ship.
- sinology — the study of the language, literature, history, customs, etc., of China.
- sinopite — a clay-like mineral containing iron oxides
- sinsiang — a city in N Henan province, in E China.
- sinusoid — a curve described by the equation y = a sin x, the ordinate being proportional to the sine of the abscissa.
- siphoned — a tube or conduit bent into legs of unequal length, for use in drawing a liquid from one container into another on a lower level by placing the shorter leg into the container above and the longer leg into the one below, the liquid being forced up the shorter leg and into the longer one by the pressure of the atmosphere.
- siphonet — (of aphids) a small siphon on the abdomen by which an aphid emits sticky liquid
- siracusa — Syracuse (def 2).
- sirenian — an aquatic, herbivorous mammal of the order Sirenia, including the manatee and dugong.
- sirening — Classical Mythology. one of several sea nymphs, part woman and part bird, who lure mariners to destruction by their seductive singing.
- sirenize — to allure, esp by melodious singing
- siriasis — sunstroke.
- siricius — Saint, died a.d. 399, pope 384–399.
- sirius b — a very faint white dwarf star, companion to Sirius, the brightest star in the sky after the sun
- sironize — to treat (a woollen fabric) chemically to prevent it wrinkling after being washed
- sirvente — a medieval poem or song of heroic or satirical character, as composed by a troubadour.
- siscowet — a variety of lake trout, Salvelinus namaycush siscowet, inhabiting the deeper waters of Lake Superior.
- siserary — a scolding
- sismondi — Jean Charles Léonard Simonde de [zhahn sharl ley-aw-nar see-mawnd duh] /ʒɑ̃ ʃarl leɪ ɔˈnar siˈmɔ̃d də/ (Show IPA), 1773–1842, Swiss historian and economist.
- sisseton — a member of a North American Indian people belonging to the Santee branch of the Dakota.
- sissonne — a jump in which the dancer lands on one foot, with the other extended to the back, front, or side.
- sissyish — rather effeminate
- sisterly — of, like, or befitting a sister: sisterly affection.
- sistroid — contained between the convex sides of two intersecting curves
- sisyphus — a son of Aeolus and ruler of Corinth, noted for his trickery: he was punished in Tartarus by being compelled to roll a stone to the top of a slope, the stone always escaping him near the top and rolling down again.
- sit back — relax, rest
- sit down — done or accomplished while sitting down: sit-down meetings between the two party leaders.
- sit over — to be seated in an advantageous position on the left of (the player)
- sit spin — a spin performed on one skate, in which the skater slowly squats down into a sitting position, with the other leg extended out in front.
- sit-down — done or accomplished while sitting down: sit-down meetings between the two party leaders.