Explore 反 in words about opposing, reflecting and responding.
The idea
反 has four strokes; follow the linked diagram. Its common on-reading is はん, as in 反対(はんたい), 反省(はんせい) and 反応(はんのう). Learn the reading with each whole word.
| Word | Reading | Meaning |
|---|---|---|
| 反対 | はんたい | opposition; opposite |
| 反省 | はんせい | reflection on one’s actions |
| 反応 | はんのう | reaction |
Examples
- 私はこの計画に反対です。I oppose this plan.
- 駅は川の反対側にあります。The station is on the opposite side of the river.
- 昨日の失敗を反省しました。I reflected on yesterday’s mistake.
- 子どもが音に反応しました。The child reacted to the sound.
- カードを裏返してください。Please turn the card over.
- 姉の意見は私の意見と反対です。My sister’s opinion is the opposite of mine.
Read-aloud uses a synthetic Japanese voice available on your device. Voice quality and availability vary; it does not assess your pronunciation.
No Japanese device voice is available. You can still read the text and use the linked listening resources.
Watch out
反対 can mean opposition to a plan or the opposite side; context determines the sense. Do not confuse 反 with 返, which contains 反 plus a movement component.
Try it yourself
Write the reading of 反対 in hiragana.
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はんたい
反対 is はんたい: it can express opposition to a plan.
Write the reading of 反応 in hiragana.
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はんのう
反応 is はんのう: notice the long おう sound in the second part.
Choose the missing kanji: _省(はんせい)[反/返].
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反
反 makes 反省(はんせい), reflection on one’s actions.
Practice round
Answer questions, then rebuild Japanese sentences where available. We keep your score.
Write the reading of 反対 in hiragana.
Write the reading of 反応 in hiragana.
Choose the missing kanji: _省(はんせい)[反/返].
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
Keep your progress
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Write 反 using the diagram, cover the table and read the three words. Then make a sentence with 反対.

