noun

double

A person or thing closely resembling another.

With that haircut, you look like your brother's double.

Etymology

The Latin source means twofold. A double supplies a second closely matching instance, as though one person or thing had been duplicated.

More examples

  • The actor poses beside his double for a photo.
  • This antique chair is an almost exact double of ours.
  • People often mistake the two cousins for each other's doubles.

Forms

double · doubles

Similar words

look-alike
Emphasizes similar appearance without suggesting any shared role or identity.
doppelganger
Usually describes an unrelated person with an uncannily similar appearance.
replica
Describes a deliberately made copy rather than a chance resemblance.