- 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.
duplicate
verbNAmE//ˈdupləˌkeɪt//
Verb Forms present simple I / you / we / they duplicate he / she / it duplicates
past simple duplicated
-ing form duplicating
NAmE//ˌdupləˈkeɪʃn//
noun [uncountable, countable]See duplicate in the Oxford Advanced Learner's DictionaryCheck pronunciation: duplicate