overstockDefinition of overstock verb Pronunciation: /əʊvəˈstɒk/ [with object] supply with more of something than is necessary or required:do not overstock the kitchen with food put more animals in (an area) than it is capable of supporting: (as noun overstocking)overstocking in the UK uplands noun Pronunciation: /ˈəʊvəstɒk/ [mass noun] a supply or quantity in excess of demand or requirement:factory overstock [count noun]:publishers' overstocks and remaindersoverstock in other Oxford dictionaries Definition of overstock in the US English dictionary