duplicate

du-pli-cate · noun

imported

Definitions

noun

  1. 1.

    An exact copy of something.

  2. 2.

    Exactly like something else; identical.

  3. 3.

    To make an exact copy of something.

  4. 4.

    To do something that has already been done.

Forms

plural: duplicates

Phrases & expressions

  • •
    in duplicate — In two identical copies
  • •
    duplicate key — A spare key
  • •
    duplicate effort — Unnecessary repetition of work

Related words

Antonyms: original, unique
See also: clone, copy, replica
Synonyms: clone, copy, replica, reproduction

Etymology

From Latin duplicatus, past participle of duplicare ("to double"), from duplex ("twofold"), from duo ("two") + plicare ("to fold").