Prefix se- in Indonesian

Overview

The prefix se- is a small but powerful element in Indonesian with several related meanings. At its core, se- conveys the idea of "one," "same," or "whole." It can mean "one unit of" (sebuah = one piece of), "as ... as" (sebesar = as big as), "the entire" (seluruh = the entire), or "each" (setiap = each/every).

Because se- has multiple functions, it appears frequently across all levels of Indonesian. Learning to recognize and use it will significantly expand your expressive range.

How It Works

Functions of Se-

Function	Pattern	Example	Meaning
One (with classifier)	se- + classifier	sebuah	one (piece of)
As ... as (equality)	se- + adjective	sebesar	as big as
Entire/whole	se- + noun	seluruh	entire/whole
Each/every	se- + noun	setiap	each/every
Same	se- + noun	sekolah	same school

Se- with Classifiers

Indonesian	English
sebuah buku	a book (one piece)
seorang guru	a teacher (one person)
seekor kucing	a cat (one animal)
sebatang pohon	a tree (one trunk)
selembar kertas	a sheet of paper

Se- for Equality

Indonesian	English
sebesar	as big as
setinggi	as tall as
sebaik	as good as
secepat	as fast as

Se- for Entirety

Indonesian	English
seluruh dunia	the entire world
sehari	the whole day
semalam	the whole night
sekeluarga	the whole family
sepanjang jalan	along the entire road

Examples in Context

Indonesian	English	Note
Sebesar ini.	As big as this.	Equality comparison
Seluruh dunia.	The entire world.	Entirety
Sebuah rumah.	A house (one unit).	Classifier
Sekeluarga.	The whole family.	Entirety
Seorang teman saya.	A friend of mine.	Classifier for people
Sebesar apa?	How big?	Questioning size
Sehari-hari.	Day-to-day / daily.	With reduplication
Selama seminggu.	For a week.	Duration
Tidak setinggi kakaknya.	Not as tall as his older sibling.	Negated equality
Sepanjang tahun.	Throughout the year.	Entirety of time

Common Mistakes

Confusing se- with satu

• Wrong: Satu buah buku in formal writing
• Right: Sebuah buku
• Why: In compound classifiers, se- replaces satu. Sebuah sounds more natural than satu buah.

Forgetting that se- can mean equality

• Wrong: Not recognizing sebesar as "as big as"
• Right: Rumah saya sebesar rumah dia. (My house is as big as his house.)
• Why: Se- + adjective creates equality comparisons, an important and frequently used pattern.

Overusing seluruh for "all"

• Wrong: Seluruh orang datang. for "everyone came"
• Right: Semua orang datang. — seluruh is more formal and refers to an entire entity
• Why: Seluruh emphasizes completeness of a whole entity; semua is the everyday word for "all."

Usage Notes

The se- prefix appears in both casual and formal Indonesian. The classifier usage (sebuah, seorang, seekor) is standard across all registers. The equality comparison (sebesar, setinggi) is common in both speech and writing. The entirety usage (seluruh, sepanjang) is slightly more formal but also appears in everyday language.

Practice Tips

1. Practice with classifiers: sebuah meja, seorang dokter, seekor anjing, selembar foto. This reinforces both the se- prefix and Indonesian classifiers.
2. Make equality comparisons: Dia setinggi saya. Rumah ini sebesar rumah itu. Makanannya seenak buatan ibu.

Related Concepts

• Prefix me(N)- — another common verb prefix