You can see the full category hierarchy on the Category Map.

Loose apronyms:
Perfect Apronyms OnlyAll Apronyms
100% AIRLINESAviation Industry Regularly Leaves Individuals Needing Extra Space Tony McCoy O'Grady
100% AIRPLANEAerial Innovation Rising Perpendicular, Lifts Achieving Necessary Elevation Jan Morgan
100% ALABAMA (2)Americas Largest Active Battleship Alabama, Mobile Area Jan Morgan - Can Be toured here it saw action in WWII and was the largest ever built
Places:States & Regions
100% ALITALIAAircraft Leave Italian Territory And Land In Adriatic Chris Kjelgaard
100% ANCHORA New Cruiser's Held Off Rocks TMcCO'G
100% ARGUSA Really Great Unusual Ship Jan Morgan -- see THE ARGUS
Sports & Recreation:Scouts
100% ATMOSPHERIC (2)As Transport Machinery Overtakes Sense, Particulates Have Exercisers Racked In Coughs Angela Brett - in some places it would be faster to walk than drive due to all the traffic, if it weren't for the exhaust fumes you'd have to breathe.
100% AUTOMOBILEAlmost Universal, Though One Man On Bike Is Less 'Exhausting' Tony McCoy O'Grady
100% AUTOMOBILE (2)An Unmerciful Taker Of Money, Often Being In Lien Eternally Patricia Rix
100% AUTOMOBILE (3)A Useful Tool Often Making Our Busy, Involved Life Easier. Roger Williams
100% BATTLE TANKBush Artfully Targets Threat-Lapsed Enemy, Totally Avoiding North Korea Chris Kjelgaard
88% BIG DENTBanged Into Garage - Didn't Even Notice it There. Angela Brett
100% BLIMPBalloon's Lines Impede Marauding Planes TMcCO'G
100% BOATSBest Ones Are Trailer-Sailers Angela Brett
100% BOMBERBillions Of Megatons Bring Earthly Ruin Tony McCoy O'Grady
100% BRIDGESBusy Road If Deep Gorge's Elaborately Spanned Tony McCoy O'Grady
100% BULLDOZERBig Ugly Land Lifting Digger, Often Zealously Engineering Roads Dustan Dowsing
100% BUSBackbreakingly Uncomfortable Sleep Dustan Dowsing, after having a sleep on an INTERCITY BUS and finding it had left him with, among other things, a pain in the neck.
100% BUS (2)Big... Umpteen Seats Angela Brett
100% BUS (3)Brought Us Southward Angela Brett, after going from Auckland to Palmerston North in one.
100% CABContains Autoist Bottom Dustan Dowsing
83% CAMEL (2)Carrying Amorous Males to Exquisite Ladies Mary Carr
100% CANOECan Anyone Navigate Ocean Ebb? Rico Leffanta
100% CANOE (2)Can A Novice Overturn Easily? Roger Williams
Sports & Recreation
100% CANOE (3)Canada's A Neat Overseas Experience Angela Brett, who spent a fair bit of time in canoes while visiting Canada.
Sports & Recreation
100% CANOE (4)Canada's Apparently National Overwater Experience Rob Rix
Sports & Recreation
100% CARCarries Around Riders Edwin Hermann
100% CARAVANCruises All 'Round Area - Vacationers' Abode, Normally. Angela Brett
100% CARPOOLCan Assist Reducing Pollution On Our Lives Tony McCoy O'Grady
100% CARSCarriages Are Roadworthy, Sometimes Tony McCoy O'Grady
100% CARTSClydesdales Are Really Tough Species Tony McCoy O'Grady
91% CHALLENGERChrista Had A Life; Lost in Explosion. National Grief Eternally Remains. Roger Williams
92% COMPETITIONCo-operation Of Major Petrol Empires Throws Insult To It, One Notices. Angela Brett, when she received an email urging people to boycott major PETROL companies in order to force the price down. (See also CO-OPERATION)
100% CO-OPERATIONComplete Oligarchy Of Petroleum Empires Riles All The Innocent Oil-Needers. Angela Brett (see COMPETITION)
100% CRUISE CONTROLCar Runs Uniformly If Specialty's Engaged Correctly - One Needn't Turn Right Or Left. Tony McCoy O'Grady
100% CYCLISTS SHOULD BE CAREFULCaution Your Children! Lessons In Safe Transport Should Save Harmful Outcomes..... (Unsafe Learner Drivers, Badly Educated, Cause Accidents) .... Repeat Every Fortnight Until Learnt. Tony McCoy O'Grady, explaining: My son was knocked down in a collision between his bicycle and a motorcar. He is not badly injured and we are unsure as to who was at fault, but as his father I have decided that the car driver was ;-)
100% DELIVERYDirect Everything Lost If Verification Exists Register Yawn Rico Leffanta
100% DIESELDirty Internal Engines Should Emit Less Tony McCoy O'Grady
90% FAIRCHILDFine Aircraft, It Reaches Cloud-Height Instead of Lower Down. Angela Brett, when she realised that the aeroplane she was travelling in was a Fairchild... yep, that is the kind of plane that those people crashed in and ended up eating each other. See also WINDOW SEAT.
100% FALLINGForget About Lost Luggage - Incompetence's Now Grave! Angela Brett, referring to a falling aircraft and the presumed incompetence of whoever's flying it, compared with that of the luggage clerk who sent your luggage to Murmansk.
100% FASTFleet And Speedy Travel Tony McCoy O'Grady
80% FEETFantastically Effective & Environmentally-friendly Transport Tony McCoy O'Grady
Science:Biology:Body Parts
100% FERRY TICKETForget Enduring Road Rage - You'll Travel In Comfort, Knowing Entrance Time. Angela Brett
100% GALLEONSGreat Armada Lost Lives Entering One Nasty Storm Tony McCoy O'Grady (The Spanish Armada was defeated as much by the weather as by the British Navy)
100% GIRLS DON'T LIKE BOYS, GIRLS LIKE CARS AND MONEY.Get It Right, Lads! She Doesn't Only Need True Love (I Know Everyone Believes Only Your Soul's Goodness Is Really Likeable) She Likes Incredible Kit, Excess Capital And Racing Spoilers. All Now Demand Men Owe Nothing Except Yabber. Angela Brett, who disagrees with this lyric from 'Boys and Girls' by Good Charlotte.
People & Relationships:Love & Lust
100% HIGHWAYHaving Itinerary, Guides Humans Wanderings, Achieving Yardage Jan Morgan
100% HITCHHIKERHop In The Car... Heading Home? I Know Expedient Route. Angela Brett
100% HITCHHIKER (2)Hope I'm Travelling Carefully, Hope He Isn't Killer, Even Rapist Tony McCoy O'Serial Killer
67% HOBO (2)Hop On Board, On-the-house! Tony McCoy O'Grady
People & Relationships
100% HORSE (3)Harry Only Rides Sally East Uniasus
92% HORSE AND CARTHaving Obedient Reliable Slaves, Each Affluent Nobleman Drove a Carriage. Archaic Road Transport. Angela Brett
100% HORSEPOWERHumans Often Race Speedy Engines... Probability Of Wreckage Escalates Rapidly. Tony McCoy O'Grady
100% HORSESHumans' Overiding/Overall Resource Speed Earthshakin' Steeds! Charles H. Montgomery, Jr.
100% I CAN FLYI'm Completely Airborne, No Feathers, Look You! TMcCO'G, It's been a while now since I had dreams wherein I could fly, but they were thrilling, though always ultyimately disappointing upon awakening.
100% IMPACTI Might Perform A Crash Test Angela Brett
0% INTERCITY BUSI've Not Travelled Everywhere Round the Country In This Yet, Because (I) Usually Soar. Angela Brett, while on a nine hour bus trip from GISBORNE - she had flown down there in a FAIRCHILD originally.
100% JETJoins Earth's Terminals Tony McCoy O'Grady
100% KAYAKKeeps Away Yachties... Absent Keel! Angela Brett
100% KLRKickstart & Let's Ride Tony McCoy O'Grady, in response to MOUTH (2)
Re-expansions of existing acronyms
100% KLR (2)Keep Leathers Ready Tony McCoy O'Grady, in response to MOUTH (2)
Re-expansions of existing acronyms
100% KLR (3)Keen Little Racer Tony McCoy O'Grady, in response to MOUTH (2)
Re-expansions of existing acronyms
94% LATE TRAIN SERVICELeft After The Evening Train Rolled Along, In Near-empty Station, Expecting Returning Vehicle Into City - Evfentually Tony McCoy O'Grady
100% LIFEBOATLucky Indeed For Everyone's Brought Onboard After Tragedy Tony McCoy O'Grady
People & Relationships:Disaster
100% LOCK (2)Loss Of Car Keys Matthew Oram
90% LOGISTICSLong-distance Operation Generally Involves Shifting Things Into Certain Sites Tony McCoy O'Grady
100% LOGISTICS (2)Large Operation Gets Items Shipped To Infantry's Complete Satisfaction Tony McCoy O'Grady
100% MECHANICMale Endangered Class, He's Always Nestled Inside Cars Mary Carr
People & Relationships:The Workforce:Occupations
100% MOTOR ACCIDENTMet One/ Two Others Recently As Car Crashed Into Drinkers Exiting Nebraskan Tavern? Tony McCoy O'Grady, when Gavin said he'd 'run across' one or two acronymists in Nebraska.
91% MOTORBIKESMachines Of Transport - Or Rather, Bicycles (with) Increased Kinetic Energy & Speed Angela Brett and Dustan Dowsing, because when Angela asked Dustan's mother for a topic, bragging that there would probably be an acronym in this stack referring to it, she said 'motorbikes' and it was discovered that there was no acronym referring to motorbikes yet. Her second choice, horses, did already have acronyms referring to it, however - so the stack is *nearly* encyclopaedic.
100% MOTOR CARMode Of Transport Often Raced. Can Also Rust Eric Bridgstock
90% MOTORCARSMillions Of Them Overload Roadways, Causing A Right Snarl-up Tony McCoy O'Grady
100% MOTORCYCLEMeans Of Transport Offering Real Catharsis: You Can Liberate Emotions Patricia Rix, adding: or perhaps one of the other meanings of "catharsis" might apply, if you have a scary ride!
93% MOVING FORWARDMotion Of Vehicle Is Now Going Frontwards (Or Reversing With A Rear-facing Driver) Tony McCoy O'Grady
100% NASCARNumerous Afternoons Spent Careering Around Racetrack Tony McCoy O'Grady
Sports & Recreation
100% O FOR THE JOYS OF PARENTHOODOh Fiddlesticks. Over Run Tonylet... Hit European Jalopey. Overall, Youth Survived, 'Owever, Flattened. Perhaps Another Reason Exclaiming 'Need The Helmet'? Optional? Oah Dunthinkso. Jeff Anonymous (Tonylet suggested by Angela Brett) in response to CYCLISTS SHOULD BE CAREFUL
100% PADDLEPropel A Dugout During Liquid Escapade Tony McCanoe O'Grady
100% PARKPut Away Resting Kart Angela Brett
100% PEDESTRIANSPeople Evading Drivers - Eventually Squashed! They're Regularly Included As Newspaper Statistics Tony McCoy O'Grady
94% PEDESTRIAN SAFETYPeople Expect Drivers, Especially Speeders, To Resist Injuring Anyone - No Sidewalks Are For Entertaining Tear-away Youths! Tony McCoy O'Grady
100% PETROLPrehistoric Extinction! This Revolutionised Our Locomotion. Tony McCoy O'Grady
100% PETROL (2)Prefer Engines That Run On Light Angela Brett
100% PLOWPatrolboat Lurches Over Waves TMcCO'G
100% PRAMPushing Round A Minor Tony McCoy O'Daddy
100% PUBLIC TRANSPORTPeople Using Busses Locked In Commuter Traffic Repent, At Next Stop Purchase One Rail Ticket. Angela Brett

  more apronyms in this category