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Phrase · Updated October 2026

Arigatou (ありがとう): thank you, from casual to polite

ありがとう

ありがとう · arigatou

Arigatou is a casual "thank you" for friends and family. Use ありがとうございます (arigatou gozaimasu) with strangers or customers, and with people senior to you.

Word by word

ありがとうありがとうthank you (from 有難い, "rare, precious")
ございますございますvery polite "there is / it is"

How polite is each form?

どうも is a quick "thanks", and ありがとう is casual. The polite ありがとうございます is a safe default. For something already finished, such as a meal or a favor, use the polite past form ありがとうございました.

You’ll sometimes hear young characters say サンキュー (sankyuu), borrowed from English.

Replying to thanks

Textbooks teach どういたしまして for "You’re welcome". In conversation, いえいえ ("No, no") and こちらこそ ("Thank you, too") are more common.

More examples

Hear it in real scenes

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Series where it comes up early

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