الحد واضح.

In fully vocalized MSA, it is pronounced:

al-ḥaddu wāḍiḥun

In pause, which is how a short sentence is often said aloud, you will commonly hear:

al-ḥadd wāḍiḥ

A few pronunciation notes:

• ح in الحد is ḥ, a deeper, breathier sound than English h.
• ض in واضح is an emphatic consonant, often written ḍ in transliteration.
• The last short vowels, -u and -un, are often not pronounced in everyday pausal reading.

Because Arabic often uses a nominal sentence with no present-tense copula.

So الحد واضح literally looks like:

• الحد = the subject
• واضح = clear

And together it means The limit/boundary is clear without needing a separate word for is.

This is completely normal in Arabic for present-tense statements.

• الحد is the subject (mubtadaʾ)
• واضح is the predicate (khabar)

So the structure is:

• الحد = the thing being talked about
• واضح = what is being said about it

In other words: The boundary/limit ... is clear.

Because in this kind of sentence, the subject is often definite, and the predicate is often indefinite.

• الحد = the limit/boundary
• واضح = clear

That is the normal pattern for a simple equational sentence in Arabic.

Compare:

• الحد واضح = The boundary is clear
• الحد الواضح = the clear boundary

In the second example, واضح is no longer the predicate of a sentence. It becomes an attributive adjective directly describing الحد.

If fully vocalized in formal grammar, the sentence is:

الحدُّ واضحٌ

Both words are in the nominative case because:

• الحدُّ is the subject
• واضحٌ is the predicate of a nominal sentence

So the full reading is:

al-ḥaddu wāḍiḥun

But in normal unvowelled writing, those endings are usually omitted, so you just see:

الحد واضح

Because Arabic often drops final short vowels when stopping at the end of a phrase or sentence. This is called pause.

So:

• Full grammatical form: al-ḥaddu wāḍiḥun
• In pause: al-ḥadd wāḍiḥ

Both are correct in their own context. Learners very often meet the unvowelled written form first.

Yes. واضح is basically an adjective meaning clear.

But in this sentence it is being used predicatively, meaning it functions as the statement about the subject:

• الحد واضح = The boundary is clear

This is different from an attributive use, where it would directly modify a noun:

• الحد الواضح = the clear boundary

So it is still an adjective, but its role in the sentence is different.

Because الحد is grammatically masculine singular, so the predicate adjective matches it:

• masculine singular: واضح
• feminine singular: واضحة

Arabic adjectives normally agree with the noun they describe or the subject they refer to in gender and number.

So with الحد, the masculine form واضح is the correct one.

It does get pronounced here.

That is because ح is a moon letter, not a sun letter. So the article is pronounced clearly:

الحد = al-ḥadd

The l sound stays.

For comparison, with a sun letter the l would assimilate, as in:

• الشمس = ash-shams

But here it remains:

• الحد = al-ḥadd

Because Arabic often leaves out the shadda in normal writing.

The word is really pronounced ḥadd, with a doubled final consonant. In fully marked writing, that would be shown with a shadda:

الحدُّ

Without diacritics, Arabic usually writes only the basic letters, so you see:

الحد

A learner may need to know from vocabulary or context that the د is doubled in pronunciation.

Yes. Even if the meaning has already been given to you in your lesson, it is useful to know that حد can be context-sensitive.

Depending on context, it can refer to things like:

• a limit
• a boundary
• an edge
• in some contexts, a technical or legal ḥadd

So the grammar of the sentence stays the same, but the exact English translation can shift depending on the topic.