B1 noun, verb Neutral

適用

/tekijoː/

The action of putting something into operation or use, especially a rule, law, or theory.

Examples

3 of 5
1

学割が適用されるか確認した。

I checked if the student discount applies.

2

法改正に伴い、新しい基準が適用されます。

With the revision of the law, new standards will be applied.

3

それ、このケースには適用できないよ。

That can't be applied to this case.

Word Family

Noun
適用
Verb
適用する
Adjective
適用可能な
💡

Memory Tip

Teki (Fit) + You (Use). Fitting something into use.

Quick Quiz

このサービスには年齢制限が( )される。

Correct!

The correct answer is: 適用

Examples

1

学割が適用されるか確認した。

everyday

I checked if the student discount applies.

2

法改正に伴い、新しい基準が適用されます。

formal

With the revision of the law, new standards will be applied.

3

それ、このケースには適用できないよ。

informal

That can't be applied to this case.

4

この理論は物理学だけでなく、経済学にも適用可能だ。

academic

This theory is applicable not only to physics but also to economics.

5

社員割引を適用して購入した。

business

I purchased it by applying the employee discount.

Word Family

Noun
適用
Verb
適用する
Adjective
適用可能な

Common Collocations

適用範囲 scope of application
法を適用する to apply the law
適用を受ける to be subject to application
適用除外 exemption from application
基準を適用する to apply criteria

Common Phrases

適用例

example of application

順次適用

sequential application

直接適用

direct application

Often Confused With

適用 vs 応用

Tekiyou is applying a rule/law as is, while Ouyou is adapting a theory/technique to a new situation.

📝

Usage Notes

Used mostly for laws, rules, discounts, and theories.

⚠️

Common Mistakes

Using 'Ouyou' when you just mean a rule is being applied to you.

💡

Memory Tip

Teki (Fit) + You (Use). Fitting something into use.

📖

Word Origin

Sino-Japanese roots meaning 'to fit' and 'to use'.

Grammar Patterns

〜に適用する 〜が適用される

Quick Quiz

このサービスには年齢制限が( )される。

Correct!

The correct answer is: 適用

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