dummydummy2 adjectiveadj [only before a noun]1MARKETINGa dummy product is made to look like a real one and is used for tests, getting people’s opinions etc72% of the men in the group taking a dummy pill continued to lose hair.
3a dummy activity is used to make people think that something is happening when it is notThey used dummy trades to create a false impression of a more active market than really existed.