1(of a number of things) put or arranged in a stack or stacks:the stacked chairs
(of a place or surface) filled or covered with goods:the stacked shelves
having sections that are arranged vertically:full-sized washer/dryers are replacing stacked units
(of a heel) made from thin layers of material glued one on top of the other:the new boots you buy will be leather with stacked heels
2(of a pack of cards) shuffled or arranged dishonestly so as to gain an unfair advantage:you were playing against a stacked deck figurativea stacked deck of a political system
3 informal (of a woman) having large breasts:she’s really stackedshe was a vivacious and well-stacked young woman
4 Computing (of a task) placed in a queue for subsequent processing:an operating system that allows for stacked jobs
(of a stream of data) stored in such a way that the most recently stored item is the first to be retrieved:MIDI interface featuring stacked MIDI note numbers
stacked in other Oxford dictionaries
Definition of stacked in the US English dictionary