Sharp sound Sharp, metallic sound Striking sound Sonar pulse Sonar sound Sound of engine trouble Sign of engine trouble Sonar sound Sign of engine trouble Sonar sound Sign of engine trouble Sonar sound Sonar blip Sign of engine trouble Sonar sound Sonar sound Sonar pulse Send a quick message to Short high-pitched sound Sonar pulse Sonar sound Send an IM to Send an IM to Substituted (for) Substituted (for) Subbed Substituted (for) Served as a proxy Substituted Substituted (for) Subbed Substituted (for) Substituted (for) Substituted (for) Superfluous third person. See 12 Across Soft-nosed bullet Shoot? It backfires dirt twice! Soft-nosed bullet that expands when it hits target 23's bullet? Stumblebum Stumblebum Stupid one Stupid person 23's nervous carrying weight on the climb Schoolgirl's PE uniform Spy wear Secret Service agent's wear Secret Service agent's wear Stupid person. Slangy term of opprobrium Stupid person (informal) So not a twit who's thin on top? Surrendered. Silly typo, e.g. Screwup Screwup Screw up Silly mistake Slip up Screwup Silly error Slip-up Stumble Silly mistake Stupid one: Slang. Slip up Simp Silly billy Slip Slip up Silly goose Silly mistake Snafu Silly mistake Slip-up Slip Silly billy Slip-up Silly error Slip up Silly mistake Silly error Silly mistake Slip-up Sticky stuff's fine for 23 Squirm Squirm __ spinner Squirm. Show unease, maybe Squirm Small person transitioning male-to-female who can't relax Shuffle folio papers and secure Shows fear, maybe Shows shock Shows fright Shows fear Stakes. Shows fear Stakes Sees a ghost, maybe Shows fear, perhaps Shows fright Shows fear, perhaps Shows fright Shows fright Square stuff Surfer's scratch Surfer's scratch Super-sharp Japanese knife Sharp knife brand Supersharp knife Super-sharp knife Spots Spots Spots Spots Spots Spots Sees in the distance Spots Spots Spots Spots Spots food in dining room: no starter provided Spots English agents Shaq shot Shaq shot Shaq shot Sure thing Snap to do Sure thing Sure thing Sushi veggie Side for 2-Down "Shadow of the Vampire" actor Kier Side for 2-Down Stout Japanese herb. Salad herb from Japan Stems in miso soup Successors' spots Small adjustment Squeeze gently Small adjustment Sharp pinch. Sharp pinch Small change Slight adjustment Small adjustment Small change Slight adjustment Sci-fi look-alikes "Star Wars Episode II" attack force "Star Wars Episode II" soldiers "Star Wars Episode II" attack force "Star Wars Episode II" soldiers Some computers Scientific duplicates Someone to pay? St. Patrick's Day musician Someone to pay? See 34 Across Someone to pay Scottish musician Scottish musician Set free Strong suit Strong suit *Strong suit (... 4 to 7) Small town west of Milton Keynes Small program Short program Short program Smartphone download Small program Small Java program Small program Small computer program Small program Small-scale program Small program Small computer program Small program Small-scale program Small Java program Smartphone download Small piece of software which often operates as a plug-in Small program usually written in Java Small computer program that runs with another application Small computer program Short program Short program Surprise in class Something popped Surprise test Surprise in class Student's surprise School trial Set of questions about yesterday's lesson Surprise test Surprise in class Student's surprise Small test Surprise test Short exam "___ Show" (1994 Best Picture nominee) School event. Student's bugaboo. Short test Sporcle.com feature '-- Show ('94 film)' Surprise in class Short exam Short class test Small test Small test Stop wasting time with a variable pump Sparrow portrayer Sweeney Todd portrayer Scissorhands player Sparrow player Scissorhands portrayer "Sleepy Hollow" star Sparrow player 2007 Sweeney Todd portrayer "Sleepy Hollow" actor Sparrow portrayer "Sleepy Hollow" actor Johnny Scissorhands portrayer Johnny "Secret Window" star Johnny Scissorhands portrayer Sparrow's portrayer in pirate movies Scissorhands portrayer Johnny Scissorhands portrayer "Sleepy Hollow" star Sparrow player 2007 Sweeney Todd portrayer "Sleepy Hollow" actor Sparrow portrayer Scissorhands portrayer "Sleepy Hollow" star "Star Trek" aliens who travel by cube '70-'80s tennis great Six-time French Open champ Swedish tennis great "Star Trek" assimilators Swede who won five consecutive Wimbledon championships Six-time French Open champ Bjorn '70-'80s tennis great