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VocabJLPT N1

duplication

NounSuru VerbIntransitive Verbの-Adjective

Definitions

1. duplication
2. repetition

This word means duplication or overlap, referring to when the same thing appears more than once or two things coincide unnecessarily. It is used in both everyday and formal contexts, such as pointing out repeated information in a document.

Example sentences

Sentence 1

My plans happened to overlap, so I had to message a friend to cancel.

Sentence 2

The new policy and the old rules overlap, and it's causing confusion on the ground.

Sentence 3

Does that wording overlap with another company's copy?

Sentence 4

You're repeating yourself — can you keep it shorter?

Sentence 5

We'll assess technically whether the additional requirements overlap with existing features.