Ordinal Numbers in Polish

Ordinal numbers (liczebniki porządkowe) in Polish are used to specify the order, position, or sequence of items (such as 'first', 'second', 'tenth'). Unlike cardinal numbers, Polish ordinal numbers function grammatically as adjectives. This means they must fully decline and agree in gender, number, and case with the noun they modify. For example, 'pierwszy' is masculine singular, 'pierwsza' is feminine singular, 'pierwsze' is neuter singular, and 'pierwsi' or 'pierwsze' are plural forms. They take the standard adjectival declension endings in all seven Polish grammatical cases.

When writing compound ordinal numbers, such as 'twenty-first' or 'hundred and fifth', both parts of the number must be declined in Polish. For instance, 'twenty-first book' in the nominative is 'dwudziesta pierwsza książka'. If you decline this to the locative case, it becomes 'o dwudziestej pierwszej książce'. Ordinal numbers are also used to tell the time of day, specify dates, and name centuries. Mastering their declension is vital for daily tasks, such as making appointments, talking about calendar dates, and referencing historical events.