適用

• Reading: てきよう
• Romaji: tekiyou
• Kanji breakdown: 適 (teki) — suitable, fit; 用 (you) — use, employ
• Pronunciation: /te.ki.joː/

Meaning

Application; applying (a rule, law, or standard to a specific case).

A noun that also functions as a suru verb (適用する, to apply). Used specifically for applying rules, laws, discounts, or standards to particular situations — not for applying for a job (応募) or applying cream (塗る). Common phrases: 法律を適用する (apply a law), 割引が適用される (a discount is applied), 適用範囲 (scope of application). Formal and often seen in legal or business contexts.

Examples

1. この法律は来月から適用される。 This law will go into effect starting next month.
2. クーポンを適用したら安くなった。 The price went down after I applied the coupon.
3. 新しいルールがすべての社員に適用された。 The new rules were applied to all employees.

Usage Guide

Context: legal, business, technology

Tone: professional

Origin & History

Compound of 適 (teki, suitable/appropriate) and 用 (you, use/employ). Together, 'using what is appropriate' — fitting a rule or standard to a relevant situation.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal