A csomagolás nagy és erős.

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

Hungarian has two forms of the definite article:

• a before a consonant sound
• az before a vowel sound

Since csomagolás begins with cs, which is a consonant sound, a is the correct form: a csomagolás.

For comparison:

• a ház = the house
• az autó = the car

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

So:

• A csomagolás nagy és erős.

literally looks like:

• The packaging big and strong.

But it naturally means:

• The packaging is big and strong.

This is completely normal in Hungarian.

The verb appears in other situations, for example:

• Én erős vagyok. = I am strong.
• Te nagy vagy. = You are big.
• A csomagolás nagy volt. = The packaging was big.

So in your sentence, leaving out is is correct.

Not exactly.

• csomag = package, parcel
• csomagolás = packaging, packing, the act or result of packing

So csomagolás is related to how something is packed or the packaging around it, not usually the package itself.

This word comes from the verb:

• csomagol = to pack

And the ending -ás / -és often turns a verb into a noun referring to an action or result:

• tanul = to study

• tanulás = studying

• csomagol = to pack
• csomagolás = packing / packaging

Because here they are predicate adjectives: they tell you what the packaging is.

Structure:

• A csomagolás nagy és erős.
• The packaging is big and strong.

If you put the adjectives before the noun, they become attributive adjectives, directly describing the noun inside a noun phrase:

• a nagy és erős csomagolás = the big and strong packaging

So:

• A csomagolás nagy és erős. = a full sentence
• a nagy és erős csomagolás = a noun phrase, not a full sentence by itself

Hungarian has no grammatical gender, so adjectives do not change for masculine, feminine, or neuter.

That means:

• nagy can mean big for anything
• erős can mean strong for anything

In this sentence, the subject is singular, so the adjectives stay in their basic form:

• nagy
• erős

One important extra point: with a plural subject, predicate adjectives often take a plural ending:

• A dobozok nagyok és erősek. = The boxes are big and strong.

But when adjectives come before a noun, they usually do not take plural marking:

• nagy és erős dobozok = big and strong boxes

So Hungarian adjectives are simpler than in many European languages, but there is still a difference between predicate use and before-noun use.

És means and.

Here it simply joins the two adjectives:

• nagy és erős = big and strong

Normally, you do not put a comma before és when it connects two words or phrases like this.

So this is correct:

• A csomagolás nagy és erős.

If you had a longer list, Hungarian works similarly to English:

• nagy, erős és drága = big, strong, and expensive

In Hungarian, accents are very important. They are not optional, and they do more than mark stress.

In your sentence:

• á in csomagolás
• ő in erős

These show specific vowel sounds, often including vowel length.

A few useful points:

• a and á are different vowels
• o / ó, ö / ő, u / ú, ü / ű are also distinct pairs
• vowel length can change meaning, so you should learn the accented forms as part of the word

Also, Hungarian word stress is usually on the first syllable of the word, regardless of the accent marks.

So:

• CSOmagolás
• NAGY
• Erős

Yes, that is grammatically possible.

Both:

• A csomagolás nagy és erős.
• A csomagolás erős és nagy.

are correct.

The difference is mostly about natural emphasis or what feels more important first. In many contexts, nagy és erős sounds a bit more natural, but the reversed order is still fine.

Hungarian word order is more flexible than English word order, but it is not random. Changing order can slightly change what is emphasized.

Yes. In Hungarian, cs is a single sound, pronounced like ch in chip.

So the beginning of csomagolás sounds roughly like:

• cho-

A few other useful Hungarian letter combinations learners often notice are:

• sz = English s
• s = English sh
• cs = English ch
• zs = like s in measure

So in csomagolás, do not pronounce c and s separately. It is one combined sound: cs.