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VocabJLPT N1
Deterioration
NounSuru VerbIntransitive Verb

Definitions

  1. 1. deterioration (in quality, performance, etc.)
  2. 2. degradation
  3. 3. (visible) aging
  4. 4. Deterioration
A noun and verb (する) meaning deterioration or degradation in quality over time. It is used to describe the worsening condition of objects, materials, relationships, or even digital files that lose quality.

Example sentences

Sentence 1

At what point should we be inspecting parts for deterioration?

Sentence 2

Where's the line between normal wear and an actual malfunction?

Sentence 3

The client said firmly, "A decline in quality is not acceptable."

Sentence 4

Why did you let the tire deterioration go this long?

Sentence 5

What level of deterioration qualifies something for replacement?