Substance used in synthetic rubber. Spare part for a robot? Staunch digestive system Some turkeys Señor's writing desk Speculative securities Speed? Speed? Some school excursions Successful cabbies? Successful cabbies? Synthetic rubber used in inner tubes Synthetic rubber used in footballs Synthetic rubber used in inner tubes Synthetic rubber used in footballs Synthetic rubber. Synthetic rubber Synthetic rubber Synthetic rubber "Shh!" from a seamstress? "Shh!" from a seamstress? Sewer filter Sewer filter Sacrifice of a sort Sacrifice of yore. Sacrifice of old Somewhat spicy Southwestern cowboys Spicy chicken appetizer Statues seen in India. School where two religions are taught? Start of an Ogden Nash rhyme Slavs: Abbr. Stupid bird? Some boaters Somewhat seared Sautéed Sautéed Somewhat seared Subjugated Scottish mushes Steinbeck's avian saga? Shocks. Simplified, in a way Scottish oatmeal dish. Scotch porridge. Show that asked you to smile Season's greeting, in Gubbio Season's greetings from Rome Swindler Shattered some vials of antidote? Swindle Swindle Swindler's operation Swindle Swindle Swindling in a confidence game. Swindle: Colloq. Scam Swindle Swindle involving worthless property Senseless talk. Step in making hasenpfeffer? Snare set by Fudd? Sumo wrestler? Signs of elation --> marathon segments Step four of a rescue STOCK... Salon for newlyweds? Salon for newlyweds? Stuff that gives a janitor a better grip? Scotch broth. Scottish soup Sedge grass Sherry in a blue bottle San Fran rockers on bikes? (Abbr.) #1 song for Mister Mister 1985 Student writing competition, briefly Splinter. Street, in Portugal. Spectral type in the sky Showy tropical trees SBUR Simba's mother, in "The Lion King" Skier's maneuver Singer-pianist joins actress Schooled, as fish. Soft silk lining fabric. Soft silk fabric. Song about a WWII naval hunt Stable lads with an attitude? Special period of extra study Shot the breeze SHAKE So, so dope, with "tha" Surname of the second Mrs. Dombey. Stern Sign of autumn Snow-loving sportsperson Stick bowling Simply not insipid. Savory. Savory South Pole explorer Stone's equivalent: Abbr. Steve Some new drivers Sweet teenagers? See 49-Down Sans sense Screeching. September 16, 1620 Shipboard psychiatry? Some Supreme Court splits See 20 Across 1987 Schwarzenegger film, with "The" Striptease business? Stephen King's tale of a witch town cardiologist? Seafood treat Salt pits: Span. Spites Singer's tribute to good judgment? Sensible cipher? Slopes: Fr. Steering blade: Abbr. Steering mech. Stumbled upon Statistics statistic Statistician's concern Scratching for food, as poultry. Scenic "chain" in Maine. SCALE Ship rope Small, tarred rope Small ropes on ships Satin: Spanish. Satin, in Italy. Scratching birds. Seemed familiar, to a campanologist? Stitch over Stitch over Sew again. Stitch again. Singers Newman and Travis Speedier Start of a cowboy romance? Start of a cowboy romance? Snake with a sore throat? Spanish scarfs Small civet Smelly heart or kidney? (F.M.) Short time: Sp. Sweet hit by Prince Suitable companion for 25 Across Slope an edge again. Started over, in a way Started a computer again Started over, in a way Started over, as a computer Started a computer up again Started up the computer again Started over, in a way Started a PC again Surveyor's rod Shiners Sign of health. Sales log, part 2 Sprouted from an old root. Sports figure. Start minting again '50's teen happening Second time to the top Second time to the top ___ serpent (fer-de-lance) Short times: Sp. Some NASA takeoffs Sinatra's save-everything pal? State flower of Ohio Study for another exam. Super-suave guy Statesman and author Singer Charles's book about healthy eating? Sydney suburb Sydney suburb Suburb of Sydney, Australia. Substance that burns brightly, used in flares. Sci-fi weapon, formally? Start of a Confucian aphorism Start of a Confucian saying Swell Secretary of Commerce. Sounding by radar Somewhat chilly. Somewhat bleak Senate Majority Leader Song for 1 Across. Sports headline? Singer MacLennan. Smoky song off Weezer's "Green Album"? Sharp visage. Spanish farewell "See you tomorrow, Pedro!" South-of-the-border sign-off Spawning grounds. Subject of a civil-rights investigation Skelton botching a joke? South American raptor Shade source Sun shade, of a sort Squabble: Slang. Some parting words Sheep ___ Sounds of sarcasm Shows mercy Screwdriver with an extra punch Seafood with a former senator? Speeds on. Speeds, to poets Send-off line Second half of the put-down See 20-Across "So long" alternative Sir Walter and others Swedish actress Signe Swedish actress Signe Star from Stockholm. Signe of films Signe from Stockholm Signe of Sweden Signe of "A Double Life" Signe ___, actress from Stockholm Swedish actress Swedish actress Signe ___ Semis, say Save 50c, say Source of a stream + Hydrogeologist's concern Salutarily Suckers for retro resorts? Strawberry blond feature Strawberry blond feature Strawberry blond feature Strawberry blonde locks STRAWBERRY Sunfishes. Start out in the morning, perhaps Santha Rama and family. "Scram!" in Hamburg Speaks of Start of a Stepquote "So" robust