The masuk family separates three participant structures. Intransitive masuk makes the mover the subject and normally introduces a destination with ke. Transitive memasuki promotes the entered location to direct object. Causative memasukkan adds an actor who moves another theme inward. Their passives and nouns preserve these different perspectives.
This page focuses on lexical selection and participant structure within the family. The suffix -i guide, suffix -kan guide, and other Word Formation pages explain the general affix rules.
The opposite path is mapped in the keluar family.
No person or tense conjugation
| Frame | Present/general | Past context | Future context |
|---|---|---|---|
| mover enters | Saya masuk ke bilik. | Tadi saya masuk ke bilik. | Nanti saya akan masuk ke bilik. |
| location entered | Saya memasuki bilik. | Saya telah memasuki bilik. | Saya akan memasuki bilik. |
| theme inserted | Saya memasukkan buku. | Saya sudah memasukkan buku. | Saya akan memasukkan buku. |
| theme passive | Buku dimasukkan. | Buku telah dimasukkan. | Buku akan dimasukkan. |
The form stays unchanged; time and aspect remain separate.
Masuk: the subject moves inward
Masuk is intransitive. The destination commonly follows ke or a more specific locative phrase.
Kami masuk ke bilik mesyuarat selepas nama dipanggil.
We entered the meeting room after our names were called.
Air hujan masuk melalui tingkap yang terbuka.
Rainwater came in through the open window.
Boleh saya masuk sekarang?
May I come in now?
The required form in neutral Malaysian vocabulary is masuk ke bilik. Masuk ke kamar is understandable and kamar occurs in literary or specialized combinations, but Indonesian uses kamar far more broadly where Malaysian Malay normally says bilik.
Informal speech often omits ke in familiar combinations such as masuk bilik. Careful prose retains ke with intransitive masuk, or selects transitive memasuki bilik.
Memasuki: promote the location
Memasuki is transitive: the place, period, or stage entered follows directly without ke.
Pasukan penyelamat memasuki bangunan itu melalui pintu belakang.
The rescue team entered the building through the back door.
Negara itu sedang memasuki fasa pemulihan ekonomi.
The country is entering a phase of economic recovery. (formal)
Apabila kereta api memasuki stesen, sila berdiri di belakang garisan kuning.
When the train enters the station, please stand behind the yellow line.
The suffix promotes a location or phase to direct-object status. Do not add ke before that object: memasuki bangunan, not memasuki ke bangunan.
Passive dimasuki makes the entered place the subject.
Rumah kosong itu dipercayai dimasuki pencuri melalui tingkap dapur.
The empty house is believed to have been entered by a thief through the kitchen window.
The subject is a location affected by entry. This differs from dimasukkan, whose subject is a moved theme.
Memasukkan: cause a theme to enter
Memasukkan adds an actor who puts something or someone into a container, place, list, or system.
Aina memasukkan buku itu ke dalam beg galasnya.
Aina put the book into her backpack.
Pegawai memasukkan data pelanggan ke dalam sistem baharu.
The officer entered the customer data into the new system.
Jurulatih memasukkan dua orang pemain muda pada separuh masa kedua.
The coach brought on two young players in the second half.
The required memasukkan buku presents buku as the moved theme. The destination follows ke dalam, ke, or another suitable phrase. Abstract extensions include entering data, including a name, depositing money, and bringing a substitute into play.
Dimasukkan centers the moved theme
Semua dokumen dimasukkan ke dalam satu sampul besar.
All the documents were put into one large envelope.
Namanya telah dimasukkan dalam senarai calon akhir.
Her name has been included in the list of finalists.
Bayaran balik akan dimasukkan ke dalam akaun anda dalam tempoh lima hari bekerja.
The refund will be deposited into your account within five working days. (formal)
Compare Rumah itu dimasuki pencuri (the house is entered) with Buku dimasukkan ke dalam beg (the book is put in). The single final syllable -kan changes which participant the passive subject represents.
Passive di- remains attached; locative di dalam is separate.
Termasuk: be included, including
Termasuk is a lexicalized family member meaning be included or including.
Yuran bengkel itu termasuk makan tengah hari serta salinan nota.
The workshop fee includes lunch and a copy of the notes.
Setiap ahli rombongan, termasuk kanak-kanak, mesti mendaftar di kaunter utama.
Every member of the group, including children, must register at the main counter.
In the parenthetical example, commas set off the included member. Do not interpret termasuk merely as an accidental physical entry; its category-membership meaning is established vocabulary.
Kemasukan, pemasukan, and lexical choice
Kemasukan is the usual Malaysian noun for entry, admission, intake, or incoming flow.
Kemasukan pelajar baharu meningkat pada tahun ini.
The intake of new students increased this year.
Pintu itu ditutup untuk menghalang kemasukan air hujan.
The door was closed to prevent rainwater from entering.
Pemasukan exists for the act/process of putting or inserting something, especially in technical contexts, but it is not the default noun for school admission.
Pemasukan data secara manual meningkatkan risiko kesilapan.
Manual data entry increases the risk of error. (technical)
Select these nouns from their collocations rather than assuming any nominal prefix is freely interchangeable.
Common Mistakes
1. Omitting ke in careful intransitive usage
⚠️ Kami masuk bilik mesyuarat pada pukul sembilan.
Natural informal speech, but careful intransitive usage normally marks the destination with ke.
✅ Kami masuk ke bilik mesyuarat pada pukul sembilan.
We entered the meeting room at nine.
2. Adding ke after memasuki
❌ Pasukan itu memasuki ke bangunan lama.
Incorrect—memasuki directly takes the entered location.
✅ Pasukan itu memasuki bangunan lama dengan berhati-hati.
The team entered the old building carefully.
3. Confusing destination and moved-theme passives
❌ Buku itu dimasuki ke dalam beg.
Incorrect—the book is put in, so use causative passive dimasukkan.
✅ Buku itu dimasukkan ke dalam beg galas.
The book was put into the backpack.
4. Separating passive di-
❌ Data itu di masukkan ke dalam sistem semalam.
Incorrect spacing—the passive verb dimasukkan is one word.
✅ Data itu dimasukkan ke dalam sistem semalam.
The data were entered into the system yesterday.
5. Using kamar as the unmarked Malaysian room word
⚠️ Para tetamu diminta masuk ke kamar taklimat melalui pintu sebelah.
Understandable but Indonesian-associated as the ordinary word for this room.
✅ Para tetamu diminta masuk ke bilik taklimat melalui pintu sebelah.
Guests are asked to enter the briefing room through the side door.
Key Takeaways
Use masuk ke + destination when the subject enters, memasuki + location when the location is directly affected, and memasukkan + theme + ke dalam destination when an actor puts something in. Their passives distinguish destination dimasuki from theme dimasukkan. Termasuk marks inclusion, kemasukan names entry or admission, and technical pemasukan names insertion/input.
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