Synonym Boundary: "ありがとう", "お疲れ様", "恐縮", "ごくろうさま", "ねぎらう"

When expressing "thank" in Japanese, you must carefully distinguish between "ありがとう", "お疲れ様", "恐縮", "ごくろうさま", "ねぎらう" based on context.

• ありがとう (ありがとう (arigatou) - Level: N5): Maps to "Thank you" and is used when An informal way to express gratitude. The polite form is ありがとうございます.
• お疲れ様 (おつかれさま (otsukaresama) - Level: N5): Maps to "Thank you for your hard work; You must be tired (greeting)" and is used when A common greeting used to acknowledge someone's effort or hard work, often said at the end of the day, after a meeting, or when someone has completed a task. Not necessarily implying the person is *actually* tired, but showing appreciation..
• 恐縮 (きょうしゅく (kyoushuku) - Level: N2): Maps to "thank you very much; excuse me for troubling you; I am sorry; I feel awful" and is used when A polite expression used to show gratitude, apologize, or express a feeling of being burdened or sorry, especially when asking for a favor or receiving something. Formal. 感謝、謝罪、または特に何かを頼む際や受け取る際に、恐縮している気持ちを表す丁寧な表現です。フォーマルな場面で使われます。.
• ごくろうさま (ごくろうさま (gokurōsama) - Level: N2): Maps to "Thank you for your hard work; I appreciate your efforts" and is used when A polite expression of appreciation for someone's effort, typically used by a superior to a subordinate, or between colleagues when one has completed a task. It's generally less formal than お疲れ様です.
• ねぎらう (ねぎらう (negirau) - Level: N2): Maps to "to thank for hard work, to express gratitude for effort" and is used when Used to appreciate someone's effort or labor, often after a long or difficult task..

Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!