選択する

The Japanese verb 洗濯する (sentaku suru) is a compound verb consisting of the noun sentaku (laundry) and the helper verb suru (to do). While the English word 'wash' can be applied to almost anything—your hands, your car, your hair, or your clothes—the Japanese language is much more specific. If you are cleaning your body, you use 洗う (arau). If you are cleaning the floor, you use 掃除する (sōji suru). However, the moment the object of your cleaning is clothing, linens, or fabrics that require immersion in water and detergent, 洗濯する becomes the mandatory term. In the context of a Japanese household, this verb carries a heavy cultural weight. Japan's climate, which ranges from humid summers to snowy winters, dictates a rigorous laundry schedule. Most Japanese homes do not use heavy-duty electric dryers common in North America; instead, the act of 洗濯する implies a multi-step process: washing, hanging (usually on a balcony), and bringing in once dry. Therefore, when someone says they are going to 'sentaku suru,' they aren't just pushing a button on a machine; they are embarking on a significant domestic chore that is highly dependent on the weather forecast. You will hear this word used daily in domestic settings, but it also extends to professional dry-cleaning contexts, though 'クリーニングに出す' (putting it out for cleaning) is a common alternative for delicate items. Understanding 洗濯する is essential for A2 learners because it is one of the first 'suru-verbs' that connects daily survival skills with linguistic proficiency. It represents the transition from learning abstract verbs to learning functional, real-world actions.

Grammatical Category

This is a Suru-verb (Group 3/Irregular). It is formed by taking the Sino-Japanese noun 洗濯 (sentaku) and attaching する (suru). It can be used transitively with the particle を (o), such as 服を洗濯する (fuku o sentaku suru), or simply as a standalone action in response to a question about what one is doing.

Social Nuance

Using this word implies a level of domestic responsibility. In casual conversation, it is often shortened or used in the 〜している form to indicate the current state of chores. To say 「今、洗濯してる」 (I'm doing laundry now) is a very common way to explain why you cannot answer the phone or leave the house immediately.

Kanji Breakdown

The first kanji 洗 (sen) means 'to wash' (seen in 洗う). The second kanji 濯 (taku) means 'to rinse' or 'to laundry'. Together, they create a specialized term for the entire cycle of cleaning fabric. Note that 濯 is a relatively complex kanji for A2, but the word is so common that learners usually recognize the radical 氵 (water) on the left of both characters.

Using 洗濯する correctly requires understanding its role as a transitive verb. In its most basic form, you use the object particle を (o) to specify what you are washing. For example, 「靴下を洗濯する」 (kushishita o sentaku suru) means 'to wash socks.' However, in Japanese, the object is frequently omitted if it is obvious from the context. If you are standing in front of a washing machine and say 「今から洗濯する」, everyone knows you are washing clothes. The verb conjugates like any other suru verb: します (shimasu) for polite present, しました (shimashita) for past, and している (shite-iru) for the ongoing action. One nuance to master is the use of frequency adverbs. Because laundry is a repetitive chore, words like 毎日 (mainichi - every day), 時々 (tokidoki - sometimes), or 週に一度 (shū ni ichido - once a week) often accompany this verb. Furthermore, you can combine it with auxiliary verbs to express more complex ideas. For instance, 「洗濯しなきゃ」 (sentaku shinakya) is a very common casual contraction for 'I have to do laundry.' If you want to say you have finished the laundry, you might use 「洗濯し終わった」 (sentaku shi-owatta). For A2 learners, practicing the 'want to' form 「洗濯したい」 (sentaku shitai) or the 'don't want to' form 「洗濯したくない」 (sentaku shitakunai) is a great way to express daily feelings. You should also be aware of the passive form 「洗濯される」, though it is less common in daily speech than the active form. Another important aspect is the location. You use the particle で (de) to indicate where the laundry is being done, such as 「家で洗濯する」 (wash at home) or 「外で洗濯する」 (wash outside). When you want to describe the method, you can use phrases like 「お湯で洗濯する」 (wash with hot water). Finally, remember that 洗濯する covers the washing phase, but the entire process often involves 干す (hosu - to hang dry) and 畳む (tatamu - to fold). In many conversations, 洗濯する is used as a shorthand for the whole cycle, but strictly speaking, it refers to the cleaning part.

Politeness Levels

In a professional or formal setting, you would use 洗濯いたします (sentaku itashimasu), though it's rare unless you work at a hotel or dry cleaner. In daily life, 洗濯します is perfect for talking to neighbors or coworkers, while 洗濯する or 洗濯してる is for friends and family.

You will encounter sentaku suru in a variety of real-world environments in Japan. The most common place is, naturally, the home. Japanese morning television often features weather segments specifically tailored for laundry. You might hear an announcer say, 「今日は洗濯日和です」 (Kyō wa sentaku biyori desu), meaning 'Today is a perfect day for laundry.' This phrase is a cultural staple. In apartments, the sound of the washing machine finishing its cycle is often followed by someone saying, 「あ、洗濯しなきゃ」. Another common location is the 'Coin Laundry' (コインランドリー). These are ubiquitous in urban Japan, especially for people living in small 'one-room' apartments without space for a machine, or for those needing to wash large items like futons. You will see signs and instructions using the word 洗濯 everywhere in these facilities. In anime and manga, 洗濯する is often used to depict the 'slice of life' aspect of a character's routine. A character hanging laundry on a roof or balcony while having a monologue is a classic trope. It signifies a moment of quiet, productive domesticity. Furthermore, in Japanese dramas, conflicts often arise over laundry—someone forgot to 洗濯する the school uniform, or it rained while the laundry was out. In a business context, if you stay at a Japanese hotel, you might see a 'Laundry Service' bag. The form will usually have the word 洗濯 (or the more formal ランドリー) written on it. Even in literature, the act of washing clothes can be metaphorical, representing a fresh start or the washing away of past troubles, though the literal meaning remains the most frequent. If you visit a traditional Japanese ryokan, the staff might ask if you have any items that need to be 洗濯. Lastly, you'll hear it in commercials for laundry detergents (洗剤 - senzai), where catchy jingles emphasize how easy and clean it is to 洗濯する with their product. Pay attention to the 'ping' of the machine and the immediate verbal response of the person nearby; that is where the word lives in the Japanese ear.

One of the most frequent mistakes for English speakers is over-generalizing the word 'wash.' In English, 'to wash' is a catch-all verb. However, in Japanese, using sentaku suru for anything other than clothing or fabric is a major error. For example, if you say 「皿を洗濯する」 (sara o sentaku suru), a Japanese person will be very confused because it sounds like you are putting your plates in the washing machine! The correct verb for dishes is 洗う (arau). Similarly, you cannot sentaku suru your car, your face, or your dog. Another common pitfall is the confusion between 洗濯 (laundry) and 選択 (selection/choice). Both are pronounced 'sentaku.' While the context usually prevents total misunderstanding, a beginner might get confused when hearing 「選択してください」 (Please choose) and think they are being asked to do laundry. Always look at the kanji: 洗濯 has the water radical 氵, while 選択 does not. A third mistake involves the particle usage. Some learners mistakenly use に (ni) or と (to) instead of を (o). Remember that the laundry is the direct object being acted upon. Furthermore, learners often forget that sentaku suru is a suru-verb. They might try to conjugate it like a regular u-verb (e.g., 'sentaku-u'), which is incorrect. It must always follow the suru conjugation pattern (shimasu, shita, shinai). Lastly, be careful with the word クリーニング (kurīningu). While it means 'cleaning,' in Japan, it almost exclusively refers to professional dry cleaning. If you tell a friend 「クリーニングする」, they will think you are taking your clothes to a shop, not doing them yourself at home. To say you are doing it yourself, you must use sentaku suru.

Incorrect vs. Correct

❌ 「顔を洗濯します。」 (I wash my face - using laundry verb)
✅ 「顔を洗います。」 (I wash my face - using general wash verb)

❌ 「車を洗濯しました。」 (I laundered my car)
✅ 「車を洗いました。」 (I washed my car)

Understanding the synonyms and related terms for sentaku suru will help you sound more natural and precise. The most direct relative is 洗う (arau). While sentaku suru is for laundry, arau is the general verb for 'to wash.' You can actually use arau for clothes in a very casual sense, like 「シャツを洗う」, but sentaku suru is more common when referring to the whole chore. Another important word is 水洗いする (mizu-arai suru), which means 'to wash with water' (often implying without detergent or a gentle wash). For professional services, as mentioned before, use クリーニングに出す (kurīningu ni dasu). If you want to talk about the 'wash' cycle specifically on a machine, you might see 洗い (arai), すすぎ (susugi - rinsing), and 脱水 (dassui - spinning/dehydrating). These are the three stages of sentaku. For hand-washing delicate items, the term is 手洗いする (tearai suru). Don't confuse this with 手洗い (tearai), which is also a polite word for 'restroom'! In modern urban Japan, you might also hear ランドリー (randorī), borrowed from English, but it's usually used for the facility (the laundromat) rather than the verb. Another specialized term is 丸洗い (maru-arai), which means 'washing the whole thing,' often used for items like futons or stuffed animals that are usually hard to wash. Knowing these distinctions allows you to navigate a Japanese laundry room or a dry cleaner with confidence. Below is a comparison table to help you distinguish these terms.

Comparison Table

洗濯する: Strictly for clothes/fabrics. The standard word for the chore.
洗う: General 'wash.' Used for hands, cars, dishes, and sometimes clothes.
クリーニング: Professional dry cleaning service.
手洗い: Hand-washing (clothes) OR the restroom (context dependent).