Declining Serbian Adjectives in the Cases
Here is the idea that trips up almost every English speaker learning Serbian: in your own language, an adjective never changes its shape. "Big" stays "big" whether you say "a big city", "in a big city" or "from the big city". In Serbian it is not so. An adjective has to agree with its noun in gender, in number, AND in case. So when the noun takes a case ending, the adjective in front of it takes a matching ending too. The two words decline together, as a single pair. Start from the dictionary form, the nominative: `veliki grad` means "a big city". Both words are in their base shape. Now drop that phrase into a sentence that needs the locative, the case of location: "in the big city" is `u velikom gradu`. Notice that the noun shifts to *gradu* and the adjective shifts right alongside it to *velikom*. Both endings change. The same thing happens in every case. "I see a big house" is `Vidim veliku kuću.` (accusative, feminine). "From the old town" is `iz starog grada` (genitive, masculine). "I have a new car" is `Imam novu kolu.` (accusative, feminine). "With a good friend" is `sa dobrim prijateljem` (instrumental, masculine). The single most common mistake is to decline the noun but leave the adjective stranded in its dictionary form. Wrong: `u veliki grad`. Right: `u velikom gradu`. If the noun has moved into a case, the adjective must move into the very same case. A few things smooth the road. With masculine nouns, the accusative depends on whether the thing is animate: living things look like the genitive, so "I see a big dog" is `Vidim velikog psa` even though it is a direct object. The locative almost always borrows the dative's form, so once you know one you know the other. And watch the "fleeting a": *dobar* ("good") loses its *a* the moment an ending is added, giving *dobrog*, *dobrim*, and so on. Many adjectives also have a longer (definite) and shorter (indefinite) form. The habit that fixes all of this: never decline the noun on its own. Treat the adjective and noun as one unit and put both into the same case together. Do that, and described nouns will sound right in any case.
Examples
- u velikom gradu in the big city
- Vidim veliku kuću. I see a big house.
- iz starog grada from the old town
The full lesson
Everything in the video, in text.
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Here is the mistake that gives almost every learner away: you change the noun for the case, but you leave the adjective sitting in its dictionary form.
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You already know nouns change their endings for the cases. The key idea today is that the adjective in front of the noun must change right along with it. They move as a pair.
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An adjective already agrees in gender. Now add the second job: it also carries the case. So a single adjective has to match its noun in gender, in number, and in case, all at once.
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Start from the dictionary form, the nominative. A big city is veliki grad. Both words are in their base form here.
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Now put it inside a phrase that needs the locative — in the big city. The noun shifts to gradu, and notice the adjective shifts too, to velikom. Both endings change together.
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Take a direct object now. I see a big house. House is feminine, so in the accusative it becomes kuću, and the adjective follows into the feminine accusative: Vidim veliku kuću.
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Try the genitive, the case of from and of. From the old town is iz starog grada. The adjective takes the genitive ending starog, right beside the noun.
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It works for any adjective, not just size. With a new car, the noun is feminine, so a new car in the accusative is novu kolu.
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And it scales with prepositions that drive a case. With a good friend uses the instrumental, and again both words shift: sa dobrim prijateljem.
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Here is the trap to avoid. Learners decline the noun but leave the adjective frozen in the nominative. In the big city is not u veliki grad with a stranded adjective. It is u velikom gradu.
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A simple habit fixes this for good. Don't decline the noun on its own. Decline the whole phrase as one unit, adjective and noun together, and let both endings land in the same case.
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So remember: the adjective always carries the same case as its noun. Match gender, number, and case, and decline the phrase as a pair. Get that, and described nouns in any case will sound right.
