duplicated


From the verb duplicate: (⇒ conjugate)
duplicated is: Click the infinitive to see all available inflections
v past
v past p

WordReference Random House Learner's Dictionary of American English © 2026
du•pli•cate /n., adj. ˈduplɪkɪt, ˈdyu-; v. -ˌkeɪt/USA pronunciation   n., v., -cat•ed, -cat•ing, adj. 
n. [countable]
  1. an exact copy:He made a duplicate and handed me the original.

v. [+ object]
  1. to make an exact copy of:She duplicated a few copies of my letter and handed me the original.
  2. to do or perform again;
    repeat:You'll just have to duplicate your performance.

adj. [before a noun]
  1. exactly like or corresponding to something else:a duplicate key.
Idioms
  1. Idioms in duplicate, in two identical copies:I'll need your letter, in duplicate, on my desk by morning.

du•pli•ca•tion /ˌduplɪˈkeɪʃən, ˌdyu-/USA pronunciation  n. [uncountable]illegal duplication of material.See -du-, -plic-.

WordReference Random House Unabridged Dictionary of American English © 2026
du•pli•cate  (n., adj. do̅o̅pli kit, dyo̅o̅-;v. do̅o̅pli kāt′, dyo̅o̅-),USA pronunciation n., v., -cat•ed, -cat•ing, adj. 
n. 
  1. a copy exactly like an original.
  2. anything corresponding in all respects to something else.
  3. Games[Cards.]a duplicate game.
  4. Idioms in duplicate, in two copies, esp. two identical copies:Please type the letter in duplicate.

v.t. 
  1. to make an exact copy of.
  2. to do or perform again;
    repeat:He duplicated his father's way of standing with his hands in his pockets.
  3. to double;
    make twofold.

v.i. 
  1. to become duplicate.

adj. 
  1. exactly like or corresponding to something else:duplicate copies of a letter.
  2. consisting of or existing in two identical or corresponding parts;
    double.
  3. Games[Cards.]noting a game in which each team plays a series of identical hands, the winner being the team making the best total score.
  • Latin duplicātus (past participle of duplicāre to make double), equivalent. to duplic- (stem of duplex) duplex + -ātus -ate1
  • late Middle English 1400–50
dupli•ca′tive, adj. 
    1. facsimile, replica, reproduction. 5. See imitate. 10. twofold.
    1. original.

Collins Concise English Dictionary © HarperCollins Publishers::
duplicate adj /ˈdjuːplɪkɪt/
  1. copied exactly from an original
  2. identical
  3. existing as a pair or in pairs; twofold
n /ˈdjuːplɪkɪt/
  1. an exact copy; double
  2. something additional or supplementary of the same kind
  3. two exact copies (esp in the phrase in duplicate)
vb /ˈdjuːplɪˌkeɪt/
  1. (transitive) to make a replica of
  2. (transitive) to do or make again
  3. (transitive) to make in a pair; make double
Etymology: 15th Century: from Latin duplicāre to double, from duo two + plicāre to foldduplicable /ˈdjuːplɪkəbəl/ adj
'duplicated' also found in these entries (note: many are not synonyms or translations):

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