This is the 444th most frequent Macedonian word.
македонските
"The Macedonian" (used for plural or definite context).
Here, "македонските" modifies the noun "обичаи" (customs) in its plural definite form, indicating customs specific to the Macedonian culture.
Македонските обичаи се важен дел од нашата култура.
The Macedonian customs are an important part of our culture.
In this example, "македонските" again serves as an adjective in the plural definite form, describing books that are presumably written in Macedonian or are associated with Macedonia.
Ја посетив библиотеката и ги проучував македонските книги.
I visited the library and studied the Macedonian books.
In this sentence, "македонските" is used as an adjective in a plural definite form to describe the noun "планини" (mountains), referencing mountains that belong to or are located in Macedonia.