Czech is a Slavic language, and that already makes it quite different from most Western European languages such as English, Spanish, or French.
It has a complex grammatical structure but a very logical sound system.
Unlike English, which relies heavily on word order, Czech expresses meaning through word endings. Every noun, adjective, pronoun, and even some numbers change their form depending on the grammatical case — there are seven cases in total. This allows Czech sentences to be flexible in word order, something that surprises many learners.
The verb system is smaller than in Romance or Germanic languages, with only five tenses, but verbs are marked for aspect — distinguishing between completed and ongoing actions — which is a key feature of Slavic languages.
Phonetically, Czech is quite consistent and phonetic: you usually read exactly what you see, making pronunciation easier once you learn the basic sounds. Still, there are some spelling rules, especially the use of i and y, that can be tricky even for native speakers.
Czech also has a number of dialects, though most people today speak a form called Common Czech (obecná čeština), which differs slightly from the formal written standard.
Overall, Czech stands out for its rich morphology, logical structure, and beautifully melodic rhythm — challenging at first, but highly expressive once you understand how it works.