電話する

The Japanese verb 電話する (denwa suru) is a quintessential 'suru-verb' (Group 3) that translates literally to 'to do telephone' or more naturally 'to make a phone call.' In the linguistic landscape of modern Japan, this term serves as the foundational method for describing telephonic communication. It is composed of two kanji: 電 (den), meaning electricity, and 話 (wa), meaning talk or conversation. When combined with the functional verb する (suru), it transforms the noun 'telephone' into an active process. This word is indispensable for learners because it bridges the gap between basic survival Japanese and intermediate conversational fluency. Unlike English, where 'call' can mean many things, 電話する is specifically tied to the device or the act of using a telecommunication line. It covers everything from a quick check-in with a parent to a formal business inquiry. Understanding this word requires more than just knowing its definition; it requires an appreciation for how Japanese speakers conceptualize 'doing' an action. In the CEFR A2 level, this verb is a primary tool for social interaction. It allows students to schedule meetings, confirm plans, and maintain relationships. The word itself carries a neutral to slightly polite tone depending on the conjugation (e.g., 電話します vs 電話する). In a broader sense, it represents the evolution of the Japanese language as it integrated Western technology into its grammatical framework during the Meiji era. Today, even with the advent of messaging apps like LINE, 電話する remains the standard term for voice-to-voice communication over a distance.

Etymology

Derived from the Sinitic roots for 'electric' and 'speech,' combined with the native Japanese auxiliary verb for 'to do.'

Grammatical Category

Suru-verb (Irregular/Group 3), typically taking the particle 'ni' for the recipient.

Core Concept

The active initiation of a voice conversation via a telephonic device.

The versatility of 電話する is seen in its ability to adapt to various levels of formality. While the root remains the same, the surrounding grammar dictates the social distance. For instance, in a professional setting, one might use the humble form お電話いたす or the polite 電話を差し上げる, but the core semantic unit is still 電話. This verb is also the basis for many compound expressions. It is important to note that while 'call' in English can refer to shouting or naming, 電話する is strictly for telecommunications. This specificity helps learners avoid ambiguity. Furthermore, the act of calling in Japan involves specific cultural scripts, such as the standard opening 'Moshi moshi,' which is almost exclusively used when answering or initiating a call with this verb. As technology progresses, the physical 'telephone' might change, but the verb 電話する persists as the linguistic anchor for voice calls. It is one of the first 500 words a serious student should master because of its high frequency in daily life, media, and literature. From a phonetic perspective, the word is rhythmic and easy to pronounce, with four clear moras: de-n-wa-su-ru. This makes it an excellent practice word for mastering the Japanese 'n' sound and the short 'u' vowel in 'suru'.

Using 電話する correctly involves mastering its conjugation and particle placement. As a suru-verb, it follows the standard pattern for all verbs ending in する. In the dictionary form, it is 'denwa suru'. In the polite form, it becomes 'denwa shimasu'. For the past tense, you use 'denwa shita' (casual) or 'denwa shimashita' (polite). The negative forms are 'denwa shinai' and 'denwa shimasen'. One of the most critical aspects for English speakers to grasp is the use of the particle に (ni). In English, we 'call someone' (direct object), but in Japanese, you 'do a telephone TO someone'. Therefore, the person receiving the call is the indirect object. For example, 'Tanaka-san ni denwa suru' means 'to call Mr. Tanaka'. If you use を (wo), it sounds like you are performing an action upon the telephone device itself, which is grammatically incorrect in this context. Another common usage is the 'te-form' for requests: 'denwa shite kudasai' (please call). This is frequently heard in business and personal requests. Furthermore, the verb can be modified by adverbs to indicate frequency or manner, such as 'tokidoki denwa suru' (sometimes call) or 'isoide denwa suru' (call in a hurry). In terms of social register, 'denwa suru' is perfectly acceptable among peers and in general polite conversation. However, when speaking to a superior, you might use 'o-denwa suru' (humble) to show respect. This involves adding the honorific prefix 'o' and potentially changing 'suru' to 'itashimasu'.

Particle Usage

Target person + に + 電話する. Location + から + 電話する.

Conjugation Patterns

Suru (Plain), Shimasu (Polite), Shita (Past), Shinai (Negative).

Common Adverbs

Sugu ni (immediately), ato de (later), mainichi (every day).

Beyond the basic 'to call', 電話する can be used in the potential form 'denwa dekiru' (can call) to express ability or permission. For example, 'Koko de denwa dekimasu ka?' (Can I make a call here?). It is also common to see it in the continuous form 'denwa shite iru' (is calling/on the phone). If someone is currently on the line, you would say 'Ima, denwa shite imasu'. This is a vital distinction for intermediate learners. In the context of modern smartphones, while 'denwa suru' is still the standard, some younger speakers might use 'tsuuwa suru' (to converse on the phone) specifically for apps like LINE or Discord, but 'denwa suru' remains the most universally understood and safe choice. When you want to say 'call back', you use the phrase 'denwa wo kake-naosu' or simply 'ato de denwa suru'. The nuances of 'suru' vs 'kakeru' are also worth noting; 'denwa wo kakeru' is slightly more formal and emphasizes the act of 'dialing' or 'hanging' the call on the line, whereas 'denwa suru' is the general action. In summary, 'denwa suru' is the workhorse of telecommunication verbs in Japanese, providing a simple yet flexible way to describe one of the most common actions in modern life. Mastering its use with the particle 'ni' and its various polite forms will significantly improve a learner's ability to navigate Japanese social and professional environments.

You will encounter 電話する in almost every facet of Japanese life, from the bustling streets of Tokyo to the quietest rural villages. In an office setting, it is the standard way to describe reaching out to clients or colleagues. You might hear a manager say, 'Tanaka-san ni denwa shite kure' (Call Mr. Tanaka for me). In retail or service industries, staff often use it when discussing customer orders or reservations. For example, 'Okyaku-sama ni denwa shimashita ka?' (Did you call the customer?). In the realm of Japanese media, such as anime and TV dramas, this verb is a staple. Characters are constantly 'denwa suru'-ing to advance the plot, whether it's a dramatic confession or a quick coordination for a battle. On public transport, you will frequently see signs that say 'Keitai denwa de no tsuuwa wa go-enryo kudasai,' which essentially asks you not to 'denwa suru' (make calls) while on the train. This highlights a cultural aspect: while the verb is common, the act itself is governed by strict social etiquette. In homes, children are taught to 'denwa suru' to their grandparents, and friends use it to make plans for the weekend. The sound of the word itself is part of the daily soundscape of Japan. Even in the age of the internet, the phrase 'denwa shite!' (Call me!) remains a powerful way to request a deeper level of connection than a simple text message can provide. It implies urgency, importance, or intimacy.

Business Context

Used for client outreach, internal coordination, and follow-ups.

Social Context

Used between friends and family for planning and checking in.

Public Spaces

Often referenced in rules regarding etiquette and silence.

Furthermore, the verb appears in many automated systems. When you call a bank or a utility company, the recorded voice might say, 'Tantousha ni o-denwa wo otsunagi shimasu' (I will connect your call to a representative). This uses a variation of the verb to describe the technical process of routing a call. In literature, 'denwa suru' can be used to set a scene or build tension. A character waiting for a phone call that never comes is a common trope. The phrase 'denwa ga naru' (the phone rings) often precedes the act of 'denwa suru' or 'denwa ni deru' (answering the phone). For learners, hearing this verb in different contexts helps to solidify its meaning and the appropriate particles. It is also worth noting that 'denwa suru' is often shortened in very casual speech among young people, though the full form remains the standard. Whether you are listening to a podcast, watching a variety show, or walking through a department store, 'denwa suru' is a word that will repeatedly enter your ears, making it a vital component of your Japanese listening comprehension. It is a bridge between the physical world of devices and the social world of human interaction. Understanding its frequency and placement in various settings will help you feel more at home in a Japanese-speaking environment.

One of the most frequent errors English speakers make when using 電話する is the incorrect choice of particles. In English, we say 'I called him,' where 'him' is the direct object. This leads many students to say 'Kare wo denwa shita.' However, in Japanese, the correct particle is に (ni). This is because 'denwa suru' is conceptualized as 'performing the action of telephoning TOWARD someone.' Using を (wo) is a major red flag that marks one as a beginner. Another common mistake is confusing 'denwa suru' with 'denwa wo kakeru.' While they are often interchangeable, 'denwa suru' is more general, while 'kakeru' specifically refers to the act of initiating the call (dialing). You wouldn't say 'denwa wo kakete imasu' to mean 'I am currently talking on the phone'; instead, you would use 'denwa shite imasu' or 'tsuuwa-chuu desu.' Additionally, learners often forget to conjugate 'suru' correctly in negative or past forms. Saying 'denwa suru-nai' instead of 'denwa shinai' is a common morphological error. Another nuance involves the use of honorifics. Using the plain 'denwa suru' with a high-ranking boss can come across as rude or overly familiar. In such cases, 'o-denwa itashimasu' or 'o-denwa moshiaugemasu' is required. Students also sometimes confuse 'denwa suru' with 'hanasu' (to talk). While you do talk on the phone, 'denwa suru' describes the whole process of calling, whereas 'hanasu' describes the act of speaking itself.

Particle Error

Using 'wo' instead of 'ni' for the person being called.

Conjugation Error

Treating 'suru' as a regular verb instead of an irregular suru-verb.

Register Error

Using casual forms in formal business situations.

Another subtle mistake is the misuse of 'denwa suru' for non-voice communications. With the rise of messaging apps, some learners might say 'denwa suru' when they actually mean 'LINE suru' (to send a message on LINE). In Japanese, 'denwa' specifically implies a voice or video call. If you are just texting, 'renraku suru' (to contact) or the specific app name + 'suru' is more appropriate. Furthermore, when answering the phone, you don't say 'denwa shimasu'; you say 'moshi moshi' or 'hai, [name] desu.' 'Denwa suru' is the act of making the call, not the act of answering it. Another point of confusion is the difference between 'denwa suru' and 'denwa ga kakaru.' The latter means 'a call comes through' or 'to be connected,' which is a passive or spontaneous event, whereas 'denwa suru' is an intentional action. Finally, avoid using 'denwa suru' when you mean 'to name' or 'to summon' (which is 'yobu' in Japanese). The English word 'call' is a polysemous trap for many learners. By focusing on the specific 'telephonic' nature of 'denwa suru' and remembering the 'ni' particle, you can avoid 90% of the common pitfalls associated with this verb. Consistent practice and listening to native speakers will help refine your usage and ensure you sound natural and polite in any situation.

While 電話する is the most common way to say 'to call,' several other words share similar meanings but carry different nuances. Understanding these differences is key to reaching intermediate and advanced levels of Japanese. The most frequent alternative is 電話をかける (denwa wo kakeru). While 'denwa suru' is the general action, 'kakeru' specifically emphasizes the act of initiating the call, like 'placing a call' or 'dialing.' In formal contexts, 'kakeru' is often preferred. Another related term is 連絡する (renraku suru), which means 'to contact' or 'to get in touch.' This is a broader term that can include calling, emailing, or messaging. If you aren't sure which method you will use, 'renraku suru' is the safest choice. For business settings, you might encounter 通話する (tsuuwa suru), which literally means 'to converse on the phone.' This is more technical and is often used to describe the duration of a call or the state of being on the line. Then there is 呼び出す (yobidasu), which means 'to call out' or 'to summon.' This is used when you are calling someone to come to a specific place, which might be done via phone but isn't limited to it. For example, 'Tanaka-san wo denwa de yobidasu' (to summon Tanaka-san by phone).

電話する vs 電話をかける

'Suru' is general; 'Kakeru' is the specific act of initiating/dialing.

電話する vs 連絡する

'Denwa' is voice-only; 'Renraku' is any form of contact (email, text, etc.).

電話する vs 通話する

'Denwa' is the act/device; 'Tsuuwa' is the technical state of communication.

In more specialized contexts, you might hear 内線電話 (naisen denwa) for 'internal/extension call' or 国際電話 (kokusai denwa) for 'international call.' When using these, you still use 'suru' or 'kakeru' to turn them into verbs. Another interesting synonym is コールする (kooru suru), which is the katakana version of 'call.' This is mostly used in specific niches like call centers or when referring to 'calling' in a game or a specific technical action. It is much less common than 'denwa suru.' There is also 話し中 (hanashi-chuu), which isn't a verb but a state meaning 'the line is busy.' If you try to 'denwa suru' and the person is already on the phone, you would say 'hanashi-chuu desu.' Understanding these synonyms allows you to be more precise. For instance, if you want to emphasize that you will reach out by any means necessary, 'renraku suru' is better. If you want to sound professional and deliberate about the act of dialing, 'denwa wo kakeru' is the way to go. For most daily situations, however, '電話する' remains the most natural and versatile choice. By comparing these words, learners can see how Japanese distinguishes between the medium (denwa), the action (kakeru), the purpose (renraku), and the state (tsuuwa) of communication.