| Scrabble Word | Definition |
| semiliterate14 | Not entirely literate; having a limited grasp of the written language |
| semiparasite16 | A semiparasitic organism. |
| sextuplicate23 | Six times the number, volume, length, etc. (of something else). |
| somnambulate18 | (intransitive) To walk while sleeping. |
| sophisticate19 | A worldly-wise person. |
| spermatocyte21 | (cytology) A male gametocyte, from which a spermatozoon develops. |
| stromatolite14 | (geology) A laminated, columnar, rock-like structure constituting a large share of all fossils from 3.5 to 0.5 billion years ago, with some still being formed at present, some or all of which result from the deposit of minerals by microorganisms such as cyanobacteria. |
| strontianite12 | (mineralogy) A grey or yellowish mineral, SrCO3, strontium carbonate, that is an ore of strontium. |
| subdebutante17 | A young woman who has not yet made her formal appearance in society. |
| subinfeudate18 | To apportion land by subinfeudation. |
| subsatellite14 | (aerospace) A component of a satellite that is released once in orbit |
| substantiate14 | (transitive) To verify something by supplying evidence; to authenticate or corroborate |
| subtemperate18 | Of or relating to the cooler parts of the temperate regions. |
| superannuate14 | (transitive) To retire or put out of use due to age. |
| superathlete17 | A very skilled and successful athlete. |
| superelevate17 | (transitive) To give a superelevation to (a railway track). |
| superovulate17 | (biology) To produce large quantities of mature ova. |
| Scrabble Word | Definition |
| sansculotte13 | Alternative form of sans-culotte |
| scintillate13 | (intransitive) To give off sparks; to shine as if emanating sparks; to twinkle or glow. |
| semiprivate18 | More private than usual accommodations, but not fully private; used especially of a hospital room that is shared by two patients in contradistinction to a ward containing many patients. |
| sequestrate20 | To sequester. |
| shergottite15 | (geology) A type of meteorite composed of lava from a planet other than Earth. |
| sillimanite13 | (mineralogy) A fibrous neosilicate mineral, polymorphic with andalusite and kyanite, with the chemical formula Al2SiO5. |
| smithsonite16 | (mineralogy) A mineral form of zinc carbonate, ZnCO3, mined as an ore of zinc or as an ornamental stone. |
| spessartite13 | (proscribed) Alternative form of spessartine |
| spinnerette13 | Alternative form of spinneret |
| spirochaete18 | Alternative spelling of spirochete |
| stockinette17 | Alternative form of stockinet |
| strangulate12 | (medicine) To stop flow through a vessel. |
| subirrigate14 | (agriculture) To irrigate from below, using the subirrigation technique. |
| subliterate13 | Having inferior literacy skills. |
| subordinate14 | Placed in a lower class, rank, or position. |
| suburbanite15 | (informal) Someone who lives in the suburbs. |
| suffragette18 | (historical) A female supporter, often militant, of women's right to vote in the early 20th century, especially in Great Britain. |
| superpolite15 | Exceptionally polite. |
| syllabicate18 | (rare) To syllabify. |
| Scrabble Word | Definition |
| sacahuiste15 | Alternative form of sacahuista |
| salicylate15 | (chemistry) any salt or ester of salicylic acid |
| samarskite16 | (mineralogy) A shiny black radioactive mineral that contains a complex mixture of rare earth oxides |
| saprophyte20 | any organism that lives on dead organic matter, as certain fungi and bacteria |
| schoolmate17 | A person who was a fellow attendee at one's school. |
| scutellate12 | (botany) saucer-shaped |
| sermonette12 | A short sermon. |
| siderolite11 | (rare) An iron meteorite; a siderite. |
| silhouette13 | An illustrated outline filled in with a solid color(s), usually only black, and intended to represent the shape of an object without revealing any other visual details; a similar appearance produced when the object being viewed is situated in relative darkness with brighter lighting behind it; a profile portrait in black, such as a shadow appears to be. [mid 19th c.] |
| smaragdite14 | (mineralogy) A green foliated kind of amphibole, observed in eclogite and some varieties of gabbro. |
| spathulate15 | Alternative spelling of spatulate |
| sperrylite15 | (mineralogy) An isometric-diploidal tin white mineral containing arsenic and platinum. |
| sphalerite15 | (mineralogy) A yellow, brown or black, sometimes red, green white or colorless mineral with cubic crystals, of a chemical formula (Zn,Fe)S, often containing also minor metals, such as cadmium, gallium, germanium and indium. |
| spherulite15 | a minute spherical crystalline body having a radiated structure, observed in some vitreous volcanic rocks, as obsidian and pearlstone. |
| spirochete17 | Any of several coiled bacteria of the order Spirochaetales, most of which are pathogenic to both humans and animals. |
| sporophyte20 | (botany) A plant (or the diploid phase in its life cycle) which produces spores by meiosis in order to produce gametophytes. |
| sporozoite21 | (cytology) Any of the minute active bodies into which a sporozoan divides just before it infects a new host cell. |
| stablemate14 | One (such as a racehorse) from the same stable. |
| stalactite12 | (geology) A secondary mineral deposit of calcium carbonate or another mineral, in shapes similar to icicles, that hangs from the roof of a cave. |
| stalagmite13 | (geology) A secondary mineral deposit of calcium carbonate or other mineral, in shapes similar to icicles, that lies on the ground of a cave. |
| Scrabble Word | Definition |
| sacculate13 | sacculated. |
| sagittate10 | Shaped like an arrowhead, with one point at one end, and two points at the other. |
| saprolite11 | a chemically weathered rock |
| satellite9 | A moon or other smaller body orbiting a larger one. [from 17th c.] |
| satinette9 | A faux satin usually made of synthetic fiber or cotton. |
| scapolite13 | Any of several mixed sodium and calcium aluminosilicates which also contain chloride, carbonate and sulfate and are found in metamorphic rocks |
| scheelite14 | (mineralogy) A mineral composed of calcium tungstate, with the chemical formula CaWO4; an important tungsten ore. |
| scolecite13 | (mineralogy) A monoclinic-domatic mineral containing aluminum, calcium, hydrogen, oxygen, and silicon. |
| scopulate13 | Having a scopula or scopulae. |
| segregate11 | Separate; select. |
| semimatte13 | |
| sepiolite11 | (mineralogy) A hydrated magnesium silicate, clay mineral used for carving into decorative articles and smoking pipes. |
| serrulate9 | Minutely serrate. |
| serviette12 | (Britain, Canada, Australia, New Zealand, South Africa) A table napkin, now especially a paper one. [From late 15th c.] |
| sheepcote16 | (archaic) A small building for sheltering sheep. |
| shogunate13 | The administration of a shogun. |
| snakebite15 | (countable) The bite of a snake. |
| socialite11 | A person (often a woman) of social prominence, considered to be an influential figure. |
| soleplate11 | The flat metal plate forming the underside of an iron (for ironing laundry). |
| soubrette11 | A female attendant or servant, especially one who is cheeky or mischievous, often featuring in theatrical comedies. |
| Scrabble Word | Definition |
| salivate11 | (intransitive) To produce saliva. |
| sanitate8 | To sanitize. |
| saponite10 | (mineralogy) A trioctahedral smectite mineral. |
| saturate8 | To cause to become completely impregnated, or soaked (especially with a liquid). |
| schmatte15 | Alternative spelling of shmatte |
| sclerite10 | (biology) A hardened body part, especially in arthropod exoskeletons. |
| scyphate18 | |
| seatmate10 | One who shares a seat (such as a bench or other surface that seats more than one). |
| selenate8 | (chemistry) any salt or ester of selenic acid |
| selenite8 | (mineralogy) A soft, glassy form of gypsum (chemical formula CaSO4·2H2O). |
| semimute12 | Having the faculty of speech either imperfectly developed or partially lost. |
| separate10 | Apart from (the rest); not connected to or attached to (anything else). |
| septette10 | A set of seven persons or objects. |
| serenate8 | Obsolete form of serenade. |
| sextette15 | Dated form of sextet. |
| shipmate15 | (nautical) A fellow sailor serving on the same ship as another. |
| sibilate10 | To hiss. |
| siderite9 | (uncountable, mineralogy) a widespread brown mineral, FeCO3, having the structure of calcite |
| silicate10 | (inorganic chemistry) Any salt of silica or of one of the silicic acids; any mineral composed of silicates |
| simulate10 | To model, replicate, duplicate the behavior, appearance or properties of. |
| Scrabble Word | Definition |
| saccate11 | Shaped like a pouch or sac. |
| satiate7 | (transitive) To fill to satisfaction; to satisfy. |
| scutate9 | Shaped like a shield or buckler. |
| secrete9 | (obsolete, rare) separated |
| sensate7 | Perceived by one or more of the senses. |
| septate9 | Of, pertaining to, or divided by a septum. |
| seriate7 | (transitive) To arrange in serial order. |
| serrate7 | Having tooth-like projections on one side, as in a saw. |
| sienite7 | Alternative form of syenite |
| sigmate10 | Shaped like the Greek letter sigma |
| sinuate7 | To advance in wavy or curvy manner, to bend, to curve, to wind in and out |
| situate7 | (transitive) To place on or into a physical location. |
| slainte7 | |
| solvate10 | (chemistry) A complex formed by the attachment of solvent molecules to that of a solute |
| sorbate9 | (chemistry) Any salt or ester of sorbic acid. |
| spicate11 | (botany) Having the form of a spike, or ear; arranged in a spike or spikes. |
| spinate9 | Bearing a spine; spiniform. |
| statute7 | Written law, as laid down by the legislature. |
| stomate9 | (archaic) stoma |
| strette7 | |
| Scrabble Word | Definition |
| salute6 | An utterance or gesture expressing greeting or honor towards someone, now especially a formal, non-verbal gesture made with the arms or hands in any of various specific positions. [from 15th c.] |
| samite8 | A material of rich silk, sometimes with gold threads, especially prized during the Middle Ages. |
| sapote8 | The soft, edible fruit of various South American trees, including the sapodilla. |
| savate9 | a form of French martial art that involves combinations of punching and kicking moves |
| sedate7 | (of a person or their behaviour) Remaining composed and dignified, and avoiding too much activity or excitement. |
| senate6 | In some bicameral legislative systems, the upper house or chamber. |
| solate6 | (intransitive) To undergo solation. |
| solute6 | Free; liberal; loose. |
| somite8 | (embryology) One of the paired masses of mesoderm distributed along the sides of the neural tube that will eventually become dermis, skeletal muscle, or vertebrae. |
| sopite8 | (obsolete, transitive) To put to sleep; to quiet. |
| sprite8 | (mythology) A spirit; a soul; a shade. |
| stacte8 | One of the sweet spices used by the ancient Jews in preparing incense; possibly an oil or other form of myrrh or cinnamon, or a kind of storax. |
| svelte9 | Attractively thin; gracefully slender. [from 1810s] |
| Scrabble Word | Definition |
| saute5 | Alternative form of sauté |
| scute7 | (zoology) A horny, chitinous, or bony external plate or scale, as on the shell of a turtle or the skin of crocodiles. |
| sente5 | A subdivision of currency, equal to one hundredth of a Lesotho loti. |
| shote8 | Alternative form of shoat |
| shute8 | Alternative form of chute |
| sixte12 | (fencing) The sixth defensive position, with the sword hand held at chest height, and the tip of the sword at eye level. |
| skate9 | A runner or blade, usually of steel, with a frame shaped to fit the sole of a shoe, made to be fastened under the foot, and used for gliding on ice. |
| skite9 | (obsolete) A sudden hit or blow; a glancing blow. |
| slate5 | (uncountable, geology) A fine-grained homogeneous sedimentary rock composed of clay or volcanic ash which has been metamorphosed so that it cleaves easily into thin layers. |
| smite7 | (archaic) To hit, to strike. |
| smote7 | simple past tense of smite |
| spate7 | A river flood; an overflow or inundation. |
| spite7 | Ill will or hatred toward another, accompanied with the desire to irritate, annoy, or thwart; a want to disturb or put out another; mild malice |
| state5 | A condition; a set of circumstances applying at any given time. |
| suite5 | A retinue or company of attendants, as of a distinguished personage |