Long dec- A dummy is a type of doll that looks like a person. Entertainers called ventriloquists can make dummies appear to talk. The automobile industry uses dummies in cars to study how safe cars are during a crash. A dummy can also be anything that looks real but doesn’t work: a fake.

A dummy is a type of doll that looks like a person. Entertainers called ventriloquists can make dummies appear to talk. The automobile industry uses dummies in cars to study how safe cars are during a crash. A dummy can also be anything that looks real but doesn’t work: a fake.