The ajar family organizes a teaching event around different participants. Mengajar pelajar makes the learners central, mengajarkan bahasa makes the content central, and pelajar diajari teknik baharu makes the learner the patient-subject. English teach uses one form across these patterns; Malay suffix and voice choices reveal which participant has direct-object or subject prominence.
The family extends beyond one verb: pengajar is an instructor, ajaran is a teaching or doctrine, and terpelajar means educated/learned. Some patterns remain productive, while others are lexicalized and must be learned as vocabulary. General affix formation belongs on the Word Formation pages; this page maps the actual ajar family and its argument structures.
No person or tense conjugation
The lexical form does not change with the teacher or time. Separate time and aspect expressions establish the timeline.
| Function | Base/present context | Past context | Future context |
|---|---|---|---|
| actor voice | Saya mengajar kelas itu. | Semalam saya mengajar kelas itu. | Esok saya akan mengajar kelas itu. |
| content-centred actor voice | Dia mengajarkan tatabahasa. | Dia telah mengajarkan tatabahasa. | Dia akan mengajarkan tatabahasa. |
| passive | Pelajar itu diajar. | Pelajar itu sudah diajar. | Pelajar itu akan diajar. |
| learner-centred passive | Pelajar itu diajari teknik tersebut. | Pelajar itu telah diajari teknik tersebut. | Pelajar itu akan diajari teknik tersebut. |
Mengajar, mengajarkan, diajar, and diajari are complete words, not tense forms. Telah and akan stay separate.
Ajar as a base form
Bare ajar appears naturally in commands and in object voice after a first- or second-person actor.
Ajar saya cara mengikat simpulan ini.
Teach me how to tie this knot.
Perkataan baharu itu saya ajar melalui gambar dan gerak tangan.
I teach that new word through pictures and gestures. (first-person object voice)
Informal speech also permits actor-first Saya ajar dia..., but careful Standard Malay normally uses Saya mengajar dia.... The base is not an infinitive: Malay does not have to turn every dictionary root into an English-like “to teach.” Its occurrence is licensed by the construction.
Mengajar: teach learners, classes, or subjects
Mengajar is the broad actor-voice verb. It can take a learner or class directly and often also takes a subject field in established usage.
Cikgu Suraya mengajar pelajar Tingkatan Dua pada waktu pagi.
Teacher Suraya teaches Form Two students in the morning.
Ayah saya mengajar matematik di sebuah sekolah menengah.
My father teaches mathematics at a secondary school.
Sukarelawan itu mengajar kanak-kanak membaca dan menulis.
The volunteer teaches children to read and write.
The required contrast mengajar pelajar puts the learner group directly after the verb. Mengajar matematik is also common because mengajar has become lexically flexible. This real overlap means the suffix distinction is a strong guide, not a ban on every unsuffixed content object.
When both learner and subject appear, broad mengajar can be followed by both: mengajar pelajar Tingkatan Lima bahasa Melayu. Such a dense sequence is easy to misread, especially when a content word could instead classify the learner—pelajar matematik can mean “mathematics students.” Formal prose can make the roles unmistakable with mengajarkan bahasa Melayu kepada pelajar Tingkatan Lima.
Mengajarkan: center the content
Mengajarkan typically takes what is taught—the language, rule, skill, value, or lesson—as its direct object. The learner can appear in a kepada phrase.
Program itu mengajarkan bahasa Melayu kepada pekerja antarabangsa.
The programme teaches Malay to international workers.
Ibu mengajarkan cara menyediakan sambal itu kepada anak-anaknya.
Mother taught her children how to prepare that sambal.
Kursus itu mengajarkan asas keselamatan siber kepada semua kakitangan baharu.
The course teaches the basics of cybersecurity to all new staff.
The required phrase mengajarkan bahasa makes the content direct. In mengajarkan cara..., an entire content clause fills the same role. This form is especially useful when the learner is long, optional, or less central than the curriculum.
Avoid mechanical selection from English. English “teach the children” points toward learner-centred mengajar/mengajari; “teach the method” points toward content-centred mengajarkan. The surrounding Malay arguments, not the single gloss teach, decide.
Mengajari and diajari: center the learner
Mengajari takes the learner as direct object and can add the content afterward. It is standard, though style preferences and frequency vary among Malaysian speakers.
Jurulatih itu mengajari peserta teknik pernafasan yang betul.
The trainer taught the participants the correct breathing technique.
Pelajar diajari cara memeriksa sumber sebelum berkongsi berita.
Students are taught how to check sources before sharing news.
Kami diajari beberapa ungkapan asas oleh penduduk kampung.
We were taught several basic expressions by the villagers.
The required pattern pelajar diajari places the learner in patient-subject position. Compare content-centred passive:
Teknik pernafasan yang betul diajarkan kepada semua peserta.
The correct breathing technique was taught to all participants.
The facts are similar, but prominence differs. Pelajar diajari teknik tracks the learners; teknik diajarkan kepada pelajar tracks the content.
The broader contrast between these suffixes is developed on the meaning of -kan and meaning of -i pages.
Diajar: broad passive
Diajar is the passive of broad mengajar and can focus a learner, class, or—where mengajar takes content—the taught subject.
Kelas itu diajar oleh seorang guru yang berpengalaman.
That class is taught by an experienced teacher.
Bahasa Melayu diajar sebagai mata pelajaran wajib di sekolah tersebut.
Malay is taught as a compulsory subject at that school.
Because mengajar is flexible, diajar is correspondingly broad. Use diajarkan or diajari when the content-versus-learner contrast needs to be overt.
The di- prefix attaches: diajar, diajarkan, diajari. Locative di sekolah remains separate.
Nouns and adjectives in the family
| Form | Core meaning | Usage note |
|---|---|---|
| pengajar | instructor/teacher | person who provides instruction |
| pelajar | student/learner | lexicalized participant noun |
| pelajaran | lesson/subject | school content or lesson |
| pengajaran | teaching/instruction; lesson learned | process or moral takeaway |
| pembelajaran | learning process | learner-centred process |
| ajaran | teaching/doctrine | often a body of beliefs |
| terpelajar | educated/learned | lexicalized adjective |
Pengajar kursus itu memberikan maklum balas selepas setiap latihan.
The course instructor gives feedback after every exercise.
Kemalangan tersebut menjadi pengajaran kepada kami agar lebih berhati-hati.
The accident taught us a lesson to be more careful.
Golongan terpelajar juga perlu menyampaikan maklumat dengan bahasa yang mudah difahami.
Educated people also need to communicate information in language that is easy to understand. (formal)
Ajaran is not the ordinary word for one classroom lesson; pelajaran fills that role. Terpelajar does not simply mean “accidentally taught,” despite productive meanings associated with ter- elsewhere. These lexicalized family members must be memorized.
Idioms and fixed combinations
Kurang ajar means rude/ill-mannered and is written as two words. It is insulting and should be labeled (informal/offensive) when used of a person. Memberi pengajaran can mean “teach someone a lesson,” sometimes neutrally and sometimes as a threat. Ajaran sesat is a formal religious/legal label for deviant teachings and should be used only in the relevant institutional context.
Perbuatannya dianggap kurang ajar oleh beberapa orang tetamu.
His behaviour was considered rude by several guests. (informal/offensive label)
The meaning cannot be calculated as simply “lacking teaching.” Fixed combinations develop their own social force.
Common Mistakes
1. Using the base as a formal actor-voice infinitive
⚠️ Guru itu ajar pelajar baharu setiap petang.
Natural in informal speech, but too colloquial for the intended careful statement.
✅ Guru itu mengajar pelajar baharu setiap petang selepas kelas biasa.
That teacher teaches new students every afternoon after regular classes.
2. Centering content with the learner-oriented suffix
❌ Program itu mengajari bahasa Melayu kepada pekerja asing.
Poor argument alignment for the intended content-centred structure—mengajari normally selects the learner directly.
✅ Program hujung minggu itu mengajarkan bahasa Melayu asas kepada pekerja antarabangsa.
That weekend programme teaches basic Malay to international workers.
3. Centering a learner with content-centred passive
❌ Pelajar itu diajarkan teknik pernafasan.
Disfavored for the intended learner-centred passive—the learner is more explicitly selected by diajari.
✅ Pelajar itu diajari teknik pernafasan oleh jurulatih sukan.
The student was taught breathing techniques by the sports coach.
4. Separating passive di-
❌ Bahasa Melayu di ajar di pusat itu.
Incorrect spacing—the passive verb diajar is solid, while locative di pusat remains separate.
✅ Bahasa Melayu diajar di pusat itu pada setiap hujung minggu.
Malay is taught at that centre every weekend.
5. Interpreting terpelajar compositionally
❌ Dia terpelajar menggunakan mesin itu dalam kursus semalam.
Incorrect for ‘He was taught to use the machine’—terpelajar is a lexical adjective meaning educated or learned.
✅ Dia diajar menggunakan mesin itu dalam kursus semalam.
He was taught to use the machine in yesterday's course.
Key Takeaways
Broad mengajar commonly takes a learner, class, or subject. Mengajarkan foregrounds content, often in mengajarkan X kepada Y; mengajari/diajari foregrounds the learner. Voice makes the selected participant prominent without adding tense. Learn pengajar, ajaran, pengajaran, pelajaran, and terpelajar as established lexical family members rather than deriving their meanings solely from English teach.
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