いれる (入れる): One Verb, Many Meanings (with Examples)
Why one verb has so many meanings
The first time you meet 入れる, the translations look scattered — put in? make tea? turn on? But there's a single thread tying them together: you move something from outside to inside.
A book goes into a bag. Tea leaves and hot water go into a cup (so "making tea" is just "putting it together in the cup"). A new member goes into a group. Even flipping a switch is putting electricity into the circuit. Hold that "move X into a space" image and the whole list below feels like one idea wearing several outfits — not a pile of unrelated verbs.
One structural note before the meanings: 入れる is the transitive verb — you do it to something, and that something is marked with を. It has an intransitive twin, 入る (read はいる here, not にゅう), which means "to enter / to go in" on its own. That pair is a favorite JLPT trap, so we'll line them up at the end.
The meanings, most common first
1. To put in / insert (入れる)
ヤッタンはかばんに本を入れる。
ヤッタンは かばんに ほんを いれる。
Yattan puts a book into his bag.
The space (かばん) takes に; the thing put in (本) takes を.
2. To make a hot drink — tea or coffee (入れる)
モチはヤッタンにお茶を入れた。
モチは ヤッタンに おちゃを いれた。
Mochi made Yattan some tea.
お茶を入れる / コーヒーを入れる is the natural way to say 'make tea/coffee' — you're putting it together in the cup.
3. To include / let someone in (仲間に入れる)
ヤッタンはモチを仲間に入れた。
ヤッタンは モチを なかまに いれた。
Yattan let Mochi into the group.
メンバーに入れる (add to the members) works the same way.
4. To turn on (a switch / appliance) (スイッチを入れる)
先生はエアコンのスイッチを入れた。
せんせいは エアコンの スイッチを いれた。
Sensei turned on the air conditioner.
つける also means 'turn on,' but スイッチを入れる literally puts the switch into the 'on' state.
5. To add (an ingredient, sugar, etc.) (入れる)
ヤッタンの弟はコーヒーに砂糖を入れる。
ヤッタンの おとうとは コーヒーに さとうを いれる。
Yattan's little brother puts sugar in his coffee.
6. To submit / put in (an application, a request) (入れる)
モチは店に予約を入れた。
モチは みせに よやくを いれた。
Mochi put in a reservation at the restaurant.
予約を入れる (make a booking) and 連絡を入れる (get in touch) are everyday set phrases.
7. To accept / take in (受け入れる, N3)
先生はヤッタンの意見を受け入れた。
せんせいは ヤッタンの いけんを うけいれた。
Sensei accepted Yattan's opinion.
受け入れる ('to accept') is a compound of 受ける + 入れる — slightly above N5, but you'll meet it soon.
And it keeps going, all from the same "move X into a space" image: ポケットに手を入れる (put your hands in your pockets), 電源を入れる (power on), 力を入れる (put effort in / focus on). Once the core image clicks, most of these feel intuitive instead of needing separate memorization.
Common collocations worth memorizing
Some 入れる phrases are so fixed that natives treat them as single units. Learn these as chunks and you'll sound natural fast:
| Collocation | Meaning |
|---|---|
| お茶を入れる | to make tea |
| コーヒーを入れる | to make coffee |
| スイッチを入れる | to turn on (a switch) |
| 電源を入れる | to power on |
| 予約を入れる | to make a reservation |
| 連絡を入れる | to get in touch / notify |
| 仲間に入れる | to let into the group |
Kanji & related verbs
The kanji is 入 ("enter / put in") — the same character used for its intransitive twin. The reading is what tells the two verbs apart:
- 入れる (いれる) — transitive: put something in.
- 入る (はいる) — intransitive: something enters / goes in.
- The on-reading にゅう shows up in compounds like 入学 (にゅうがく, entering school) and 入口 (いりぐち, entrance), but the everyday verb 入れる is always いれる.
Because both verbs share the kanji 入, reading is the only clue in writing — context and the particles (を vs が) tell you which one is meant.
入れる vs 入る (はいる) — the trap
These two are a transitive/intransitive pair, and the JLPT loves testing them. The difference is who or what is doing it:
| Form | Core idea | Example |
|---|---|---|
| 入れる / いれる (transitive) | Someone puts something INTO a space (object takes を) | かばんに本を入れる = (I) put a book into the bag |
| 入る / はいる (intransitive) | Something or someone ENTERS on its own (subject takes が) | かばんに本が入る = a book fits / goes into the bag |
A quick way to feel it: with 入れる you can point to the person doing the putting (本を入れる); with 入る you're just describing something entering or fitting (本が入る). Same with rooms: 部屋に人を入れる = "let a person into the room"; 部屋に人が入る = "a person enters the room." Watch the particle — を signals 入れる, が signals 入る.
Quick recap
- One image powers them all: move X into a space.
- High-value chunks: お茶を入れる, スイッチを入れる, 予約を入れる, 仲間に入れる.
- It's a transitive ru-verb; its partner 入る (はいる) is intransitive.
- Same kanji 入, different readings: 入れる = いれる, 入る = はいる (not にゅう).
Your turn
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Start the 5-question drill →Frequently asked questions
Is 入れる a ru-verb or u-verb?
入れる (いれる) is a Group 2 (ru-verb / ichidan) verb: いれ-る → いれ-ます, いれ-て, いれ-ない. It conjugates just like 食べる.
What is the difference between 入れる and 入る?
入れる (いれる) is transitive — you put something into a space (本を入れる = put a book in). 入る (はいる) is intransitive — something enters on its own (部屋に入る = enter a room). Watch the particle: を goes with 入れる, が with 入る.
How do you read 入る — はいる or にゅう?
As the standalone verb 'to enter,' 入る is read はいる. にゅう is the on-reading used in compounds like 入学 (にゅうがく) and 入口 (いりぐち).
Why do you say お茶を入れる for making tea?
Making tea is literally putting the tea (and hot water) together into the cup, so Japanese uses 入れる. お茶を入れる and コーヒーを入れる are the standard, natural phrases.