なぜなら

• Reading: なぜなら
• Romaji: nazenara
• Pronunciation: /na.ze.na.ɾa/

Meaning

Because; the reason is that. Used to introduce an explanation or justification.

A conjunction used to provide a reason or explanation for a preceding statement. Typically followed by ～からだ (kara da) or ～のだ (no da) at the end of the explanatory clause. More formal than だって or なんでかというと. Commonly used in essays, speeches, and logical arguments. Written in hiragana in most contexts.

Examples

1. 彼は人気がある。なぜなら誰にでも優しいからだ。 He's popular. That's because he's kind to everyone.
2. 日本語を勉強している。なぜなら日本に住みたいからだ。 I'm studying Japanese. That's because I want to live in Japan.
3. この店はいつも混んでいる。なぜなら料理がおいしいからだ。 This restaurant is always packed. That's because the food is delicious.

Usage Guide

Context: explanation, essays, speeches

Tone: logical

Origin & History

Compound of なぜ (naze, why) and なら (nara, if/since). Literally 'if you ask why' — a rhetorical bridge to explain the reason for something.

Cultural Context

Era: Classical

Generation: All ages

Social background: Universal