الحلم جميل.

A careful MSA pronunciation is:

al-ḥulmu jamīlun

In pause, many speakers simplify the endings and say something closer to:

al-ḥulm jamīl

A few pronunciation notes:

• ḥ (ح) is a deeper, breathier h sound, made farther back in the throat than English h.
• j (ج) in MSA is usually pronounced like j in judge.
• ī in جميل is a long vowel, like ee in see.

Because Arabic usually leaves out the verb to be in the present tense.

So:

• الحلم جميل = The dream is beautiful

This is called a nominal sentence in Arabic.

But in other tenses, Arabic does use a verb. For example:

• كان الحلم جميلًا = The dream was beautiful

So the missing is is completely normal in present-tense Arabic.

Because the sentence means:

• الحلم = the dream
• جميل = beautiful

Here, الحلم is the subject, and جميل is the predicate.

In Arabic, when an adjective is part of the predicate of a sentence, it does not take الـ just to match the subject.

That is different from a noun phrase like:

• الحلم الجميل = the beautiful dream

So:

• الحلم جميل = The dream is beautiful
• الحلم الجميل = the beautiful dream

This is one of the most important distinctions for learners.

The key clue is definiteness.

• الحلم جميل
  
  • first word is definite: the dream
  • second word is indefinite: beautiful
  • so this is a sentence

But:

• الحلم الجميل
  • both words are definite
  • the adjective matches the noun
  • so this is a noun phrase, meaning the beautiful dream

In Arabic, an attributive adjective usually matches the noun in definiteness. If it does not, it is often functioning as the predicate instead.

Here جميل is an adjective used as the predicate of the sentence.

Traditional Arabic grammar would call it the خبر of the sentence.

So the structure is:

• الحلم = the topic/subject (مبتدأ)
• جميل = the comment/predicate (خبر)

Even though جميل is an adjective, in English we translate it with is:

• The dream is beautiful

In fully inflected MSA, the sentence is:

الحُلْمُ جَمِيلٌ

That is:

• الحُلْمُ = al-ḥulmu
• جَمِيلٌ = jamīlun

Both words are in the nominative case here:

• the subject is nominative
• the predicate of a nominal sentence is also nominative

In everyday pronunciation, especially when pausing, these final short vowels are often not pronounced clearly, so learners often hear:

الحلم جميل

without obvious endings.

That is normal in Arabic.

Arabic adjectives usually come after the noun they describe, and predicates also commonly come after the subject.

So Arabic says:

• الحلم جميل

Literally, the order is more like:

• the dream beautiful

English needs is, but Arabic does not in the present tense.

You would say:

حُلْمٌ جَمِيلٌ

This is not a sentence. It is just a noun phrase meaning:

• a beautiful dream

Compare these three:

• حُلْمٌ جَمِيلٌ = a beautiful dream
• الحُلْمُ الجَمِيلُ = the beautiful dream
• الحُلْمُ جَمِيلٌ = The dream is beautiful

This contrast is extremely useful for understanding Arabic adjective patterns.

Yes. As an adjective/predicate, it normally agrees with the noun in gender and usually number.

For example:

• الحياة جميلة = Life is beautiful

  • feminine singular noun → جميلة
• الولد جميل = The boy is beautiful/handsome
• البنت جميلة = The girl is beautiful

So if the subject changes, the form of the adjective often changes too.

It can describe both.

Depending on context, جميل can mean:

• beautiful
• nice-looking
• handsome

So:

• الحلم جميل = The dream is beautiful
• الرجل جميل = The man is handsome/beautiful
• المدينة جميلة = The city is beautiful

The exact English translation depends on what is being described.