NASA
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| WADHAO | Weak And Dizzy And Hurt All Over | - | NASA |
| WAFTAM | ("woff-tam"): Waste Of F***ing Time And Money | - | NASA |
| WFFAD | Will Follow From A Distance - Will Check Your Lab Results, But Will Never Set Foot In Your Room Again | - | NASA |
| WITPOMS | Why Is This Patient On My Service | - | NASA |
| WNL | (Ambulance/casualty) Within Normal Limits, But More Often Interpreted As We Never Looked | - | NASA |
| WNL | Will Not Listen; Patient Won't Take Medical Advice | - | NASA |
| WOMBAT | Waste Of Money, Brains And Time | - | NASA |
| WWI | Walking While Intoxicated (and Fell Over) | - | NASA |