Grammar Rule in 30 Seconds
In Croatian, you can turn most adjectives into adverbs by using the neuter singular form ending in -o.
- Take the masculine adjective: 'brz' (fast).
- Add the neuter ending: 'brzo' (fast/quickly).
- Use it to describe how an action is performed: 'On brzo trči' (He runs fast).
Adjective to Adverb Conversion
| Adjective (Masc) | Adverb | English Meaning |
|---|---|---|
|
brz
|
brzo
|
fast/quickly
|
|
dobar
|
dobro
|
good/well
|
|
tih
|
tiho
|
quiet/quietly
|
|
glasan
|
glasno
|
loud/loudly
|
|
spor
|
sporo
|
slow/slowly
|
|
lijep
|
lijepo
|
beautiful/beautifully
|
Meanings
Adverbs in Croatian are used to modify verbs, adjectives, or other adverbs, describing the manner, time, or place of an action.
Manner
Describing how an action is performed.
“Ona tiho govori.”
“On glasno viče.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Subject + Verb + Adverb
|
On brzo trči.
|
|
Negative
|
Subject + ne + Verb + Adverb
|
On ne trči brzo.
|
|
Question
|
Verb + li + Subject + Adverb?
|
Trči li on brzo?
|
|
Comparison
|
Adverb + 'je' + Adverb
|
Brže je bolje.
|
|
Short Answer
|
Adverb
|
Kako? Brzo!
|
|
Emphasis
|
Jako + Adverb
|
Jako brzo.
|
Spectre de formalité
On radi kvalitetno. (Work performance)
On radi dobro. (Work performance)
On radi super. (Work performance)
On rastura. (Work performance)
Adjective to Adverb Flow
Conversion
- Add -o Adverb
Function
- Modify Verb Action
Exemples par niveau
On brzo trči.
He runs fast.
Ona lijepo pjeva.
She sings beautifully.
Govori tiho.
He speaks quietly.
Radim dobro.
I work well.
Ne govori glasno u školi.
Don't speak loudly at school.
Zašto on sporo hoda?
Why does he walk slowly?
Jedeš li zdravo?
Do you eat healthily?
Danas se osjećam jako dobro.
I feel very good today.
Moramo postupati pažljivo.
We must act carefully.
Oni su se ponašali čudno.
They behaved strangely.
Ona je prilično pametno odgovorila.
She answered quite smartly.
Vlak je stigao neočekivano rano.
The train arrived unexpectedly early.
Projekt je bio iznimno uspješno završen.
The project was extremely successfully completed.
Govornik je artikulirao svoje misli vrlo jasno.
The speaker articulated his thoughts very clearly.
Moramo razmotriti situaciju objektivno.
We must consider the situation objectively.
Ona je vješto izbjegla odgovor.
She skillfully avoided the answer.
Njegov je pristup bio metodološki besprijekorno izveden.
His approach was methodologically flawlessly executed.
Situacija se razvijala suptilno, ali neizbježno.
The situation developed subtly but inevitably.
On je ironično komentirao cijeli događaj.
He ironically commented on the whole event.
Pitanje je bilo formulirano krajnje provokativno.
The question was formulated extremely provocatively.
Arhaični izričaj zvučao je gotovo mistično.
The archaic expression sounded almost mystically.
Analiza je bila provedena dijakronijski.
The analysis was conducted diachronically.
Njegova gestikulacija bila je gotovo neprimjetno usklađena s govorom.
His gesticulation was almost imperceptibly synchronized with his speech.
Sve je bilo organizirano besprijekorno, gotovo ritualno.
Everything was organized flawlessly, almost ritually.
Facile à confondre
Learners often use the adjective to describe an action.
They look identical.
Some words look like adverbs but are nouns.
Erreurs courantes
Ona govori tiha.
Ona govori tiho.
On trči brz.
On trči brzo.
Oni pjevaju lijepa.
Oni pjevaju lijepo.
Govori li on tiha?
Govori li on tiho?
To je jako dobro stvar.
To je jako dobra stvar.
Oni rade sporo.
Oni rade sporo.
Ona je vrlo lijepa pjeva.
Ona vrlo lijepo pjeva.
Oni su se ponašali čudni.
Oni su se ponašali čudno.
Ona je odgovorila pametna.
Ona je odgovorila pametno.
Vlak je stigao rano.
Vlak je stigao rano.
Pitanje je bilo provokativna.
Pitanje je bilo provokativno.
On je komentirao ironičan.
On je komentirao ironično.
Situacija se razvijala suptilna.
Situacija se razvijala suptilno.
Structures de phrases
On ___ ___.
Ona ___ ___ ___.
___ je ___ ___.
Ako ___ ___, ___ ___.
Real World Usage
Radi super!
Dođi brzo.
Radim marljivo.
Vozite polako.
Molim, brzo!
Govori glasno.
The -o Rule
Don't Agree
Use 'Jako'
Casual Speech
Smart Tips
Always check if you have added the -o ending.
Remember to drop the 'a' before adding the -o.
Use 'jako' before the adverb.
If it's a verb, use -o. If it's a noun, use the adjective.
Prononciation
Vowel length
The 'o' in adverbs is usually short, but can be long in some dialects.
Declarative
On trči brzo. ↘
Falling intonation at the end of the sentence.
Mémorise-le
Moyen mnémotechnique
Think of the 'o' as an 'O'pening to an action.
Association visuelle
Imagine a fast runner with a giant letter 'O' floating behind him. Every time he runs, he leaves a trail of 'O's.
Rhyme
When the action is the show, just add an 'o'.
Story
Marko is a fast runner. He runs 'brzo'. His friend Ana is a quiet speaker. She speaks 'tiho'. They both love to work 'dobro'.
Word Web
Défi
For 5 minutes, describe everything you do using an adverb: 'I eat slowly' (Jedem sporo), 'I write well' (Pišem dobro).
Notes culturelles
In some coastal dialects, adverbs might be shortened or have different vowel qualities.
More traditional usage, often very clear pronunciation of the -o ending.
Very common to use 'super' or 'odlično' as adverbs in casual speech.
Derived from the Proto-Slavic neuter singular adjective form.
Amorces de conversation
Kako si?
Kako govoriš hrvatski?
Kako radiš svoj posao?
Kako se osjećaš danas?
Sujets d'écriture
Erreurs courantes
Test Yourself
On trči ___ (brz).
Which is correct?
Find and fix the mistake:
On radi marljiva.
Ovo je dobar rad. (He works...)
Adverbs in Croatian change based on the subject's gender.
A: Kako pjeva? B: Pjeva ___.
brzo / on / trči
Match each item on the left with its pair on the right:
Score: /8
Exercices pratiques
8 exercisesOn trči ___ (brz).
Which is correct?
Find and fix the mistake:
On radi marljiva.
Ovo je dobar rad. (He works...)
Adverbs in Croatian change based on the subject's gender.
A: Kako pjeva? B: Pjeva ___.
brzo / on / trči
Match: brz, tih, spor
Score: /8
FAQ (8)
Most do, but there are some exceptions like 'jučer' (yesterday) or 'danas' (today).
No, that is a common mistake. Always use the -o form.
No, adverbs are invariable.
Use 'jako brzo'.
It can be both, depending on the context.
Yes, some dialects have variations, but -o is standard.
Yes, they are essential for descriptive writing.
Usually, you drop the 'a' and add 'o'.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Adjective + mente
Croatian uses a single ending; Spanish adds a suffix.
Adjective + ment
Croatian is more compact.
Adjective as adverb
Croatian adds -o, German often adds nothing.
Adjective + ni
Croatian uses a morphological ending.
Tanween Fath
Croatian uses a fixed neuter form.
Particle 'de'
Croatian uses an internal ending.
Learning Path
Prerequisites
Connected Grammar
Comparative Adverbs
Builds OnYou need the base adverb to form the comparative.
Basic Adjectives
PrerequisiteYou need to know the adjective first.
Adverbial Phrases
Advanced FormExpands on simple adverbs.
Sentence Structure
SimilarHelps place the adverb correctly.