Raspršivač je pun čiste vode.

Pun is an adjective meaning full.

It appears as pun because it agrees with raspršivač, which is:

• masculine
• singular
• nominative (the subject of the sentence)

So:

• masculine singular: pun
• feminine singular: puna
• neuter singular: puno

Because raspršivač is masculine singular, pun is the correct form.

In Croatian, nouns have grammatical gender. Raspršivač is a masculine noun, and one clue is that it ends in a consonant.

Its basic form is raspršivač:

• nominative singular: raspršivač
• genitive singular: raspršivača

Since it is masculine, adjectives referring to it also take masculine forms, such as pun.

Je is the 3rd person singular present tense of the verb biti (to be).

So in this sentence it means is:

• Raspršivač je pun... = The sprayer/spray bottle is full...

Croatian often uses forms of biti the same way English uses am / is / are.

Because pun normally requires the thing that fills something to be in the genitive case.

So:

• pun vode = full of water
• pun čiste vode = full of clean water

The basic dictionary form is:

• čista voda = clean water

But after pun, both words change into the genitive singular:

• čista → čiste
• voda → vode

So čiste vode is not a different phrase in meaning; it is the grammatically required case form after pun.

They are both in the genitive singular.

Why?

• voda is a feminine singular noun.
• After pun, Croatian uses the genitive for the substance or thing something is full of.

So:

• nominative: čista voda
• genitive: čiste vode

This is a very useful pattern to remember:

• pun + genitive

For example:

• čaša je puna mlijeka = the glass is full of milk
• torba je puna knjiga = the bag is full of books

Because Croatian adjectives agree with the nouns they describe in:

• gender
• number
• case

Here, čiste describes vode, so it must match vode.

Since vode is:

• feminine
• singular
• genitive

the adjective must also be:

• feminine
• singular
• genitive

That is why you get:

• čiste vode

not:

• čist vode
• čista vode

Yes, absolutely.

• Raspršivač je pun vode. = The sprayer is full of water.
• Raspršivač je pun čiste vode. = The sprayer is full of clean water.

Adding čiste simply gives extra information about the water. Grammatically, both are correct.

No. Croatian does not have articles like English the and a/an.

So raspršivač can mean:

• a sprayer
• the sprayer

The exact meaning depends on context.

That is why one Croatian sentence can correspond to different English translations, such as:

• The spray bottle is full of clean water.
• A sprayer is full of clean water.

In normal use, context tells you which one is intended.

The neutral, standard order here is:

• Raspršivač je pun čiste vode.

Croatian word order is more flexible than English, so other orders are possible, especially for emphasis. For example:

• Pun čiste vode je raspršivač. — possible, but marked and less natural in ordinary conversation
• Raspršivač je čiste vode pun. — poetic or stylistically marked

For learners, the safest and most natural version is the original:

• Raspršivač je pun čiste vode.

A rough pronunciation guide is:

RAHS-prshi-vach yeh poon CHEE-steh VOH-deh

A few important sounds:

• š sounds like sh in shoe
• č sounds like ch in chocolate
• j sounds like English y in yes
• r is rolled or tapped more than in English

So:

• raspršivač ≈ RAHS-prshi-vach
• je ≈ yeh
• čiste ≈ CHEE-steh
• vode ≈ VOH-deh

Not always exactly.

Raspršivač literally refers to a sprayer / spray mechanism / atomizer / spray device, depending on context. In everyday situations, it can also refer to the whole spray bottle if that is what the speaker means.

So the best English translation depends on context:

• sprayer
• spray bottle
• spray nozzle
• atomizer

If the meaning shown to you is spray bottle, that is a natural contextual translation, even if the Croatian word itself can be a bit broader.

Yes. This is a very common pattern in Croatian:

• pun + genitive

Examples:

• čaša je puna vode = the glass is full of water
• soba je puna ljudi = the room is full of people
• kutija je puna igračaka = the box is full of toys

Notice that pun changes to match the subject:

• pun for masculine singular
• puna for feminine singular
• puno for neuter singular
• plural forms as needed

But the thing after it usually stays in the genitive.

The dictionary forms are:

• raspršivač — noun, masculine singular
• biti — verb, to be
• pun — adjective, full
• čist — adjective, clean
• voda — noun, feminine singular, water

In the sentence:

• je is a form of biti
• čiste is a case form of čist
• vode is a case form of voda

This is very common in Croatian: the dictionary form often changes in actual sentences because of case and agreement.