Baju itu jelek.

In Indonesian, you often do not need a verb like is in simple descriptive sentences.

So:

• Baju itu jelek = That shirt/clothing is ugly
• literally, it is more like shirt that ugly

This is completely normal Indonesian grammar.
The adjective jelek can directly describe the subject without any extra word.

You may sometimes see adalah, but that is usually not used before adjectives in everyday sentences like this.

Baju usually refers to clothing, often especially an upper-body garment like a shirt, blouse, or top.

Depending on context, English might translate it as:

• shirt
• clothes
• top
• garment

So Baju itu jelek could mean:

• That shirt is ugly
• Those clothes are ugly
• That outfit is ugly

If you want to be more specific, Indonesian has other words too:

• kemeja = shirt
• kaus/kaos = T-shirt
• pakaian = clothing/clothes in a broader sense

Itu usually means that, but in many contexts it can also feel like the, depending on how it is used.

In Baju itu jelek, itu points to a specific item:

• that shirt/clothing
• sometimes effectively the shirt/clothing

So it makes baju definite or identifiable.

In Indonesian, demonstratives like ini and itu usually come after the noun when they modify it.

So:

• baju ini = this shirt/clothing
• baju itu = that shirt/clothing

This is different from English, where we say this shirt or that shirt.

So baju itu is the normal word order.

Jelek means ugly, bad-looking, or sometimes poor in quality, depending on context.

It can describe:

• appearance: ugly
• quality: bad
• condition: in poor shape

For Baju itu jelek, the most natural meaning is usually that the clothing looks ugly or doesn’t look nice.

It can sound a bit blunt, similar to calling something ugly in English.

It can be.

Jelek is fairly direct. If you say Baju itu jelek, it sounds like a clear negative judgment. That is fine in casual speech, but it may sound harsh depending on the situation.

Softer alternatives include:

• Baju itu kurang bagus = That shirt is not very nice
• Baju itu tidak begitu bagus = That shirt is not that nice
• Warnanya kurang cocok = The color is less suitable / doesn’t suit well

So yes, jelek is natural, but not especially gentle.

Usually, no, not for the same meaning.

If you want to say That shirt is ugly, the normal form is:

• Baju itu jelek

If you say Itu baju jelek, it more naturally sounds like:

• That is an ugly shirt
• or That’s ugly clothing

So the structure changes the meaning.

A helpful contrast:

• Baju itu jelek = That shirt is ugly
• Itu baju jelek = That is ugly clothing / That’s an ugly shirt

Good question. Indonesian can be ambiguous sometimes because it does not use is.

• baju jelek can mean ugly clothes/shirt as a noun phrase
• Baju itu jelek is much clearer as a full sentence: That shirt/clothing is ugly

The presence of itu after baju helps mark baju itu as the subject: that shirt/clothing. Then jelek is the description.

So this sentence is naturally understood as a complete statement.

Yes.

• Baju ini jelek = This shirt/clothing is ugly
• Baju itu jelek = That shirt/clothing is ugly

The grammar stays the same.
Only the distance or reference changes:

• ini = this
• itu = that

You can, but the meaning becomes less clear and more dependent on context.

• Baju itu jelek clearly means That shirt/clothing is ugly
• Baju jelek might be understood as ugly clothes, bad clothing, or in some contexts the clothes are ugly

So if you are talking about a specific item, baju itu jelek is much clearer.

A simple approximate pronunciation is:

BAH-joo EE-too JEH-lek

More detailed:

• baju = bah-joo
• itu = ee-too
• jelek = jeh-lek

A few notes:

• j in Indonesian sounds like English j in job
• u is like oo
• e in jelek is often a short eh sound
• stress in Indonesian is usually not as strong or dramatic as in English

Yes, and different choices change the tone.

For example:

• Baju itu buruk = That clothing is bad
  
  • more formal, less common for casual comments on appearance
• Baju itu tidak bagus = That clothing is not nice/good
  
  • softer and very common
• Baju itu keren = That clothing is cool
• Baju itu bagus = That clothing is nice/good
• Baju itu indah = That clothing is beautiful
  
  • less common for everyday clothing talk, a bit elevated

For everyday conversation, bagus, tidak bagus, and jelek are all very useful.

In normal writing, Indonesian follows the usual rule of capitalizing the first word of a sentence:

• Baju itu jelek.

But the word itself is normally lowercase unless it starts the sentence:

• Saya suka baju itu.

So the capital B is there simply because it is the beginning of the sentence, not because baju is a special kind of word.