dummy

1 dummy /ˈdʌmi/ noun
plural dummies
1 dummy
/ˈdʌmi/
noun
plural dummies
Britannica Dictionary definition of DUMMY
1 
[count] chiefly US, informal : a stupid person
2 
[count] : a doll that is shaped like and is as large as a person
3 
[count] : a copy of a finished object that is used during practice or training
4 
[count] : a large doll with a movable mouth that is used by a performer
5 
[noncount] : the set of cards in a game of bridge that are played faceup so everyone can see them
6 
[count] British : pacifier
2 dummy /ˈdʌmi/ adjective
2 dummy
/ˈdʌmi/
adjective
Britannica Dictionary definition of DUMMY
always used before a noun
: looking real but not functioning or able to be used