- 1[often passive] duplicate something to make an exact copy of something a duplicated form
- 2duplicate something to do something again, especially when it is unnecessary There's no point in duplicating work already done.
- NAmE//ˌdupləˈkeɪʃn//noun [uncountable, countable]
NAmE//ˈdupləˌkeɪt//Verb Forms present simple I / you / we / they duplicate
he / she / it duplicates
past simple duplicated
-ing form duplicating
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