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How to Say ‘Serious (in a sincere way)’ in Japanese

真剣

shinken

[sheen-ken]

💬 Usage Tip: [真剣] literally means “serious/sincere,” and also “real sword” in another meaning—same kanji, different context. Often used as [真剣に].

🇯🇵 In Japan: In dating, [真剣] signals “not just casual.” It’s a key word when clarifying intentions after meeting on apps.

Phrase Breakdown

真剣

shinken

[sheen-ken]

serious; earnest

Describes a sincere, committed attitude. In dating: 真剣に付き合う (date seriously), 真剣な交際 (serious relationship).

Example

遊びじゃなくて、真剣な交際がしたい。

I want a serious relationship, not something casual.

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