Adjective Declension

Polish adjective declension: agreement by case, gender, number, and personhood.

Polish adjectives change to match the noun they describe. That means gender, number, and case all matter: dobry sklep, dobra kawa, dobre miasto, dobrego sklepu, dobrą kawę, w dobrym mieście.

Adjective declension is not a separate decoration. It is part of the case system, and it often gives you the clearest signal of what case the noun phrase is in.

By Noah Levy Published Updated Source-checked; native-speaker review pending How we review our Polish guides
On this page13 sections
  1. What adjective agreement means
  2. Nominative adjective forms
  3. Adjective endings across the main cases
  4. Masculine personal plural adjectives
  5. Adjectives after prepositions
  6. Predicate adjectives vs modifying adjectives
  7. Common adjective declension mistakes
  8. Hard-stem and soft-stem adjective patterns
  9. The accusative shortcut for adjective phrases
  10. Mini practice: make the adjective agree
  11. A phrase-level method for choosing an adjective ending
  12. Demonstratives and possessives follow the same agreement logic
  13. Comparative and superlative adjectives still decline

What adjective agreement means

An adjective agrees with the noun it modifies in gender, number, and case. If the noun is feminine accusative, the adjective must be feminine accusative. If the noun is masculine personal plural, the adjective must match that too.

This is why the same English adjective good appears as dobry, dobra, dobre, dobrzy, dobrego, dobrej, dobrą, dobrym, dobrych, and more in Polish.

Nominative adjective forms

Basic nominative adjective agreement
Noun typePolish phraseMeaning
Masculine singulardobry sklepa good shop
Feminine singulardobra kawagood coffee
Neuter singulardobre miastoa good city
Masculine personal pluraldobrzy nauczycielegood teachers
Non-personal pluraldobre sklepygood shops

Adjective endings across the main cases

The table below uses dobry with common nouns. Notice how masculine animate accusative uses dobrego psa, while masculine inanimate accusative would be dobry sklep. Animacy matters for adjectives too.

Dobry across cases
CaseMasculine animateFeminineNeuterPlural non-personal
Nominativedobry piesdobra kawadobre miastodobre kawy
Genitivedobrego psadobrej kawydobrego miastadobrych kaw
Dativedobremu psudobrej kawiedobremu miastudobrym kawom
Accusativedobrego psadobrą kawędobre miastodobre kawy
Instrumentaldobrym psemdobrą kawądobrym miastemdobrymi kawami
Locativedobrym psiedobrej kawiedobrym mieściedobrych kawach

Masculine personal plural adjectives

Masculine personal plural is one of the most important adjective categories. It refers to groups with male people or mixed groups containing male people. The nominative adjective often ends in -i or -y: dobrzy nauczyciele, polscy studenci.

Non-personal plural uses a different form: dobre książki, dobre psy, dobre miasta.

Masculine personal vs non-personal plural
MeaningPolishWhy
Good teachersdobrzy nauczycieleMasculine personal plural.
Good studentsdobrzy studenciMasculine personal plural.
Good booksdobre książkiNon-personal plural.
Good dogsdobre psyAnimate but not masculine personal people.
Good citiesdobre miastaNeuter plural.

Adjectives after prepositions

Prepositions choose the case for the whole noun phrase, not just the noun. If do takes genitive, both adjective and noun go genitive. If w takes locative for static location, both adjective and noun go locative.

Preposition plus adjective agreement
PhraseCaseMeaning
do dobrego sklepuGenitiveto a good shop
bez dobrej kawyGenitivewithout good coffee
z dobrą mamąInstrumentalwith a good mom
w dobrym mieścieLocativein a good city
na główną pocztęAccusativeto a good post office

Predicate adjectives vs modifying adjectives

Most beginner adjective agreement involves adjectives directly modifying nouns: dobra kawa, dobrego psa. Predicate adjectives after być usually agree in gender and number with the subject and often stay nominative: Kawa jest dobra, pies jest dobry.

Do not confuse this with professions or roles after być, which often use instrumental nouns: On jest lekarzem.

Two adjective positions
PatternExampleNote
Before noundobra kawaAdjective agrees with noun phrase.
After byćKawa jest dobra.Predicate adjective agrees with subject.
With case triggerNie mam dobrej kawy.Negation/genitive affects adjective and noun.
Role noun after byćOn jest dobrym lekarzem.Lekarzem is instrumental, adjective matches it.

Common adjective declension mistakes

  • Changing the noun but leaving the adjective nominative: do dobrego sklepu, not do dobry sklepu.
  • Using dobre for masculine personal plural: dobrzy studenci, not dobre studenci.
  • Forgetting feminine accusative: dobrą kawę, not dobra kawę.
  • Forgetting locative agreement: w dobrym mieście, o dobrej kawie.
  • Assuming English word order protects you. In Polish, the whole noun phrase carries case.

Hard-stem and soft-stem adjective patterns

Most dictionary-form masculine adjectives end in -y or -i. The -i spelling often follows k or g, as in polski and drogi, or belongs to a soft-stem pattern. The endings still express the same agreement categories: gender, number, case, and masculine personhood.

Learn one full noun phrase rather than an isolated adjective: dobry sklep, dobra kawa, dobre miasto; polski film, polska książka, polskie jedzenie.

Nominative agreement with two common adjective patterns
PatternMasculineFeminineNeuterNon-masculine-personal plural
dobrydobry filmdobra książkadobre jedzeniedobre filmy
polskipolski filmpolska książkapolskie jedzeniepolskie filmy

The accusative shortcut for adjective phrases

Adjective accusative follows the same animacy split as the noun. Masculine inanimate phrases stay nominative-like, while masculine animate singular and masculine personal plural phrases become genitive-like.

Accusative agreement by noun type
TypeNominativeAccusative
Masculine inanimatenowy telefonmam nowy telefon
Masculine animatenowy pieswidzę nowego psa
Femininedobra kawapiję dobrą kawę
Masculine personal pluralnowi nauczycieleznam nowych nauczycieli

Mini practice: make the adjective agree

Adjective agreement check
PromptAnswerCase
bez ___ kawy (dobra)bez dobrej kawygenitive
z ___ nauczycielem (nowy)z nowym nauczycieleminstrumental
na ___ pocztę (główna)na główną pocztęaccusative
o ___ mieście (polski)o polskim mieścielocative

A phrase-level method for choosing an adjective ending

Adjectives do not choose case independently. First determine the noun phrase's case; then copy its gender, number, and masculine-personal status onto every agreeing word.

Agreement workflow
StepQuestionExample
1. GovernorWhat selects the case?bez selects genitive
2. Head nounWhat noun controls agreement?kawa is feminine singular
3. AdjectiveWhich ending matches all features?bez dobrej kawy
4. Other modifiersDo demonstratives or pronouns also match?bez tej dobrej kawy

Demonstratives and possessives follow the same agreement logic

Ten, mój, twój, nasz, and similar words change with the noun phrase just as descriptive adjectives do. Learning them inside complete phrases makes the case visible twice.

Modifiers agreeing across cases
CasePhraseExample
Nominativeta moja nowa książkaTa moja nowa książka jest ciekawa.
Genitivetej mojej nowej książkiNie mam tej mojej nowej książki.
Accusativetę moją nową książkęCzytam tę moją nową książkę.
Instrumentaltą moją nową książkąInteresuję się tą moją nową książką.
Locativetej mojej nowej książceMówię o tej mojej nowej książce.

Comparative and superlative adjectives still decline

A comparative or superlative remains an adjective and must agree with its noun. The comparative may have an irregular stem, but case agreement still applies.

Degree and case together
FormNominativeAnother case
positivedobry hotelw dobrym hotelu
comparativelepszy hotelw lepszym hotelu
superlativenajlepszy hotelw najlepszym hotelu
feminine comparativelepsza kawabez lepszej kawy
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Nominative

Good coffee is here.

Dobra kawa jest tutaj.

Feminine nominative.

Genitive

I do not have good coffee.

Nie mam dobrej kawy.

Both adjective and noun are genitive.

Accusative

I drink good coffee.

Piję dobrą kawę.

Feminine accusative.

Instrumental

I am going with a good friend.

Idę z dobrym kolegą.

Z meaning with takes instrumental.

Locative

I am in a good city.

Jestem w dobrym mieście.

W plus static location takes locative.

Plural

Good teachers are here.

Dobrzy nauczyciele są tutaj.

Masculine personal plural.

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Example Polish practice

Nominative Good coffee is here. Dobra kawa jest tutaj.

Feminine nominative.

Genitive I do not have good coffee. Nie mam dobrej kawy.

Both adjective and noun are genitive.

Accusative I drink good coffee. Piję dobrą kawę.

Feminine accusative.

Instrumental I am going with a good friend. Idę z dobrym kolegą.

Z meaning with takes instrumental.

Locative I am in a good city. Jestem w dobrym mieście.

W plus static location takes locative.

Plural Good teachers are here. Dobrzy nauczyciele są tutaj.

Masculine personal plural.

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FAQ

Do Polish adjectives decline?

Yes. Polish adjectives change for gender, number, and case to match the noun they describe.

Why is it dobrej kawy?

Kawy is genitive feminine, so the adjective must also be genitive feminine: dobrej.

What is masculine personal plural for adjectives?

It is the adjective form used with groups of male people or mixed groups containing male people, such as dobrzy nauczyciele.

Do adjectives change after prepositions?

Yes. The preposition sets the case for the noun phrase, so both adjective and noun change: w dobrym sklepie, do dobrego sklepu.

Are predicate adjectives nominative?

Often yes: Kawa jest dobra. But adjectives modifying instrumental role nouns also match instrumental: On jest dobrym lekarzem.

Do Polish demonstratives and possessives decline like adjectives?

Yes. Words such as ten, mój, twój, and nasz agree with the noun in case, gender, and number.

Do comparative Polish adjectives decline?

Yes. Comparative and superlative adjectives still agree with their nouns: lepszy hotel, w lepszym hotelu, bez lepszej kawy.

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