| Acronym | Definition |
|---|
| W | Work |
| W | With |
| W | White |
| W | West |
| W | Write |
| W | Web |
| W | Won (Korean currency) |
| W | Woman (magazine) |
| W | Wire |
| W | Who (Linux command) |
| W | Wife |
| W | Water |
| W | Win |
| W | Withdrawal |
| W | Weight |
| W | George W. Bush |
| W | Window |
| W | Weather (US military aircraft modified mission symbol) |
| W | London West (postcode, United Kingdom) |
| W | Weekly |
| W | Wholesale |
| W | Warm (air mass) |
| W | Wednesday |
| W | Waste |
| W | West Point, New York (mint mark on old coins) |
| W | Weekend (airfare) |
| W | Warehouse |
| W | Wien (English: Vienna) |
| W | Watt |
| W | Width |
| W | Wrapper (Scott Catalogue prefix; philately) |
| W | Welsh |
| W | Whiskey (aviation letter code) |
| W | Warden |
| W | Warrant (securities/stocks; like an option) |
| W | Warrant (Officer) |
| W | Tungsten |
| W | Waiver |
| W | Weiblich (German: Female) |
| W | Wavelength |
| W | Tungsten (atomic symbol) |
| W | Wicket |
| W | Tryptophan (amino acid) |
| W | Waco Aircrcraft Company (manufacturer's symbol; Troy, OH) |
| W | Warhead (designator) |
| W | Wollastonite |
| W | Westinghouse Electric Corporation |
| W | Warai (Japan: laughter or lol; internet slang) |
| W | Waviness |
| W | Wait(ing) (action code) |
| W | Sweep Width |
| W | Wide Word |
| W | Indefinite Ceiling (weather reports) |
| W | Search Subarea Width (US DoD) |
| W | Avian Sex Chromosome |
| W | Product Logarithm |
| W | Watchkeeping in duty roster (for ACG duties) |
| W | US DoT tire speed rating (169 mph) |
| W | Full Size Black & White Drawing |