A házirend hivatalos.

In Hungarian, the verb to be is often left out in the present tense when the subject is third person and the sentence links the subject to a noun or adjective.

So:

• A házirend hivatalos. = The house rules are official.
• literally: The house-rules official.

This is normal Hungarian grammar, not an omission or shortcut.

Compare:

• Én fáradt vagyok. = I am tired.
• Te fáradt vagy. = You are tired.
• Ő fáradt. = He/she is tired.

So in your sentence, no separate word for is is needed.

A is the definite article, so it usually means the.

• a házirend = the house rules / the code of conduct

Hungarian has two forms of the definite article:

• a before consonant sounds
• az before vowel sounds

So:

• a házirend
• az iskola

Because házirend starts with h, Hungarian uses a.

Házirend is a common Hungarian noun meaning something like:

• house rules
• internal rules
• code of conduct
• regulations of an institution

The exact English translation depends on context. In a school, dormitory, workplace, or other institution, it usually refers to the official set of internal rules people must follow.

So although the literal parts suggest something like house order, the real meaning is better understood as rules/regulations.

Because Hungarian very often forms compound words, and they are usually written as a single word.

Házirend is a fixed compound, built from:

• házi = domestic, internal, house-related
• rend = order, arrangement, rule system

Together, házirend becomes a single lexical item meaning house rules or internal regulations.

This is very normal in Hungarian. English often writes similar ideas as two words, while Hungarian prefers one compound word.

Because Hungarian treats házirend as a singular noun, even though English often translates it with a plural expression like house rules.

So grammatically in Hungarian:

• A házirend hivatalos.
  subject = singular

This is not unusual. Languages do not always divide meaning into singular and plural in the same way.

You can think of házirend as something like:

• the rule system
• the code of conduct
• the regulations as one institutional set

That is why the sentence uses a singular subject.

Great question. In this sentence, hivatalos is not directly modifying the noun inside one noun phrase. Instead, it is the predicate adjective: it tells you something about the subject.

So:

• A házirend hivatalos. = The house rules are official.

Here the structure is:

• A házirend = the subject
• hivatalos = what is being said about the subject

But if you put the adjective before the noun, you get a different structure:

• a hivatalos házirend = the official house rules

That is a noun phrase, not a full sentence.

So the difference is:

• A házirend hivatalos. = full sentence
• a hivatalos házirend = noun phrase

Hivatalos means official, formal, or authorized, depending on context.

In this sentence, it stays as hivatalos because:

• the subject is singular
• Hungarian has no grammatical gender
• predicate adjectives do not change for gender

So there is no masculine/feminine/neuter issue like in some other languages.

If the subject were plural, the adjective could also be plural:

• A szabályok hivatalosak. = The rules are official.

So in your sentence:

• házirend = singular
• hivatalos = singular form

Yes, you can, but the word order changes the emphasis.

Hungarian word order is more flexible than English word order, and it often reflects topic and focus rather than fixed grammatical roles.

• A házirend hivatalos.
  A neutral statement: The house rules are official.

• Hivatalos a házirend.
  This gives more emphasis to hivatalos: The house rules are official / It is official, the house rules.

So both are grammatical, but the first version is the more neutral and straightforward one for most basic contexts.

Hivatalos most often means:

• official
• formal
• authorized
• sometimes administrative or governmental, depending on context

In A házirend hivatalos, the most natural meaning is official.

It suggests that the házirend is:

• formally recognized
• valid in an institutional sense
• not just informal or unofficial

So the sentence implies that the rules are recognized as the proper, formal rules.

A simple pronunciation guide is:

• A házirend hivatalos.
• roughly: aw HAA-zee-rend HEE-vaw-taw-losh

A few useful points:

• á is a long vowel, so há- is longer than a plain a
• stress in Hungarian usually falls on the first syllable of each word:
  • HÁzirend
  • HIvatalos
• the final s in Hungarian is pronounced like English sh

So:

• hivatalos sounds roughly like hee-vaw-taw-losh

No. In this sentence, both main words are in their basic dictionary forms.

• a házirend = subject, in the nominative/basic form
• hivatalos = predicate adjective, also in its basic form

There is no accusative, dative, or other case marking here because the sentence is simply identifying a property of the subject:

• The house rules are official.

So this is a very clean basic sentence structure in Hungarian.