W/O stands for Without
W/O stands for Wife of
W/O stands for Week Of
W/O stands for Work Order
W/O stands for Water in Oil (emulsion used widely in cosmetics)
W/O stands for Write On
W/O stands for Written Off
W/O stands for Walkover (gaming; elections)
W/O stands for Washington/Obayashi (Joint Venture)
WO stands for Without
WO stands for Week Of
WO stands for Workout
WO stands for Warrant Officer
WO stands for Wife Of
WO stands for Washington Office
WO stands for Work Order
WO stands for Wide-Open
WO stands for Walk Out (real estate)
WO stands for Wipe Out
WO stands for Walk Over (sports)
WO stands for War Office
WO stands for Wearing-Off
WO stands for Wetenschappelijk Onderwijs
WO stands for Written Off
WO stands for Wipe-Off
WO stands for Warehouse Officer
WO stands for Written Out (mathematics)
WO stands for Wash Out
WO stands for Water Outlet
WO stands for Warning Order
WO stands for Women’s Ordination
WO stands for Watch Officer
WO stands for Work Output (simple machines)
WO stands for Wideout (US football)
WO stands for Welsh Office (UK government)
WO stands for Weather Office
WO stands for Weapons Officer
WO stands for War Orientation (US Navy)
WO stands for World Airways, Inc (IATA airline code)
WO stands for Waste Operation
WO stands for Wilfully Obscure
WO stands for Willimantic Orchestra (Connecticut)
WO stands for Workstation Operator
WO stands for Official Wrapper (Scott Catalogue prefix; philately)
WO stands for Walkabout Orthosis
WO stands for Wimborne Orchestra (UK)
WO stands for Windham Orchestra (Brattleboro, VT)