Unit itu cukup kecil.

In Indonesian, you usually do not need a verb like is/are/am in simple descriptive sentences.

So:

• Unit itu cukup kecil = That unit is quite small

This is very normal in Indonesian.
A pattern like noun + adjective often works by itself:

• Rumah itu besar = That house is big
• Mobil ini mahal = This car is expensive

Sometimes Indonesian can use words like adalah or ialah, but not usually in simple adjective sentences like this.

Itu usually means that.

In Unit itu cukup kecil, itu points to a specific unit:

• unit itu = that unit / the unit in question

A very important thing for English speakers: in Indonesian, itu often comes after the noun, not before it.

So:

• unit itu = that unit
• rumah itu = that house
• buku itu = that book

This is one of the most common word-order differences from English.

Because Indonesian demonstratives usually come after the noun.

Compare:

• English: that unit
• Indonesian: unit itu

Similarly:

• English: this book
• Indonesian: buku ini

So the usual pattern is:

• noun + ini = this ...
• noun + itu = that ...

This is standard Indonesian word order.

Here, cukup means quite, fairly, or rather.

So:

• cukup kecil = quite small / fairly small

It softens the adjective a little compared with just saying kecil.

Compare:

• Unit itu kecil = That unit is small
• Unit itu cukup kecil = That unit is quite/fairly small

Depending on context, cukup can also mean enough, so learners should know it has more than one use.

It can mean both, depending on context.

In front of an adjective or adverb, it often means quite/fairly:

• cukup kecil = quite small
• cukup bagus = quite good

In other contexts, it can mean enough:

• Uangnya cukup = The money is enough
• Sudah cukup = It’s enough / That’s enough

So in this sentence, cukup is best understood as a degree word modifying kecil.

Kecil is an adjective meaning small.

It can describe size, and sometimes also age or status depending on context.

Examples:

• rumah kecil = small house
• anak kecil = small child / little child
• perusahaan kecil = small company

In Unit itu cukup kecil, it describes the noun unit.

Not for the same meaning.

If you want to say that unit, the normal form is:

• unit itu

Not:

• itu unit ❌

Itu unit could appear in some contexts, but it would usually mean something more like That is a unit, where itu is functioning differently.

So for this sentence, Unit itu cukup kecil is the correct structure.

Yes. Unit is used in Indonesian too, especially in modern, technical, business, educational, and property-related contexts.

Depending on context, it can refer to:

• a unit in a building or complex
• a unit of study
• an organizational unit
• a technical unit

So although it looks the same as the English word, it is also a normal Indonesian word.

Yes, but the meaning changes slightly.

• cukup kecil = quite/fairly small
• kecil sekali = very small

So:

• Unit itu cukup kecil sounds more moderate.
• Unit itu kecil sekali is stronger.

Another common option is:

• Unit itu sangat kecil = That unit is very small

Words like cukup, sangat, terlalu, and agak usually come before the adjective.

Examples:

• cukup kecil = quite small
• sangat besar = very big
• terlalu mahal = too expensive
• agak sulit = rather difficult

So the pattern is often:

• noun + itu/ini + modifier + adjective

as in:

• Unit itu cukup kecil

It sounds perfectly natural.

A speaker might stress different words depending on what they want to emphasize:

• Unit itu cukup kecil → neutral statement
• stress on cukup → emphasizes quite/fairly
• stress on kecil → emphasizes small

In casual speech, the pronunciation may be relaxed, but the structure stays the same.

Kecil alone is more direct:

• Unit itu kecil = That unit is small

Cukup kecil sounds a bit softer and more measured:

• Unit itu cukup kecil = That unit is quite/fairly small

It can suggest the speaker is making a balanced observation rather than a blunt judgment.

Usually, no—not by itself.

Unit itu cukup kecil is more naturally understood as:

• The unit is quite/fairly small

If you want to clearly say small enough, Indonesian often needs extra context, such as:

• Unit itu cukup kecil untuk ... = The unit is small enough to ...

Without something like untuk ..., English speakers should usually not assume cukup means enough here.