Meaning of the word duplicate in English

What does duplicate mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

duplicate

US /ˈduː.plə.keɪt/
UK /ˈduː.plə.keɪt/
"duplicate" picture

Noun

1.

an exact copy of something

Example:
Please make a duplicate of this key.
The artist created a perfect duplicate of the original painting.

Verb

1.

to make an exact copy of something

Example:
Can you duplicate this document for me?
The machine is designed to duplicate keys quickly.
2.

to do something again that has already been done, especially unnecessarily

Example:
We need to avoid duplicating efforts.
The new system will help us not to duplicate data entry.

Adjective

1.

exactly like something else, especially a copy

Example:
The two documents are duplicate copies.
He has a duplicate set of keys.
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