Polish vocabulary app

Learn Polish vocabulary
that sticks.

OpenWords is a comprehensive Polish dictionary app with one-tap flashcards and spaced repetition. Save the words you look up while reading, working, or studying — and review them just before you forget them.

Download on the App Store
Get it on Google Play

Free · No account required · Works offline

The word you looked up yesterday
is already fading.

It's not a memory flaw — it's just how the brain works. A word you only see once will fade. The fix is seeing it again at the exact right moment.

Without OpenWords

You look up a word today — and forget it by next week.

With OpenWords

Save it in one tap. Review it until it sticks.

How it works

Look up, save, review.

No setup.

Look it up.

Search any Polish word — including inflected forms, aspects, and derivatives. Every meaning it carries, with CEFR level and example sentence.

Save the meaning you met.

One tap, no typing. That exact meaning becomes a flashcard.

Review before you forget.

Spaced repetition brings each word back at the right moment. Five card formats so the word sets from every angle.

zamek
NOUN · 4 SENSES
zamknąćzamkniętyzameczek
A2 a large medieval building or group of buildings fortified against attack noun
A large medieval building or group of buildings fortified against attack.
Wawel to słynny zamek w Krakowie.
A2 a device for fastening a door or container, typically operated by a key noun
A device for fastening a door or container, typically operated by a key.
Klucz nie pasuje do tego zamka.
A2 a fastener with two rows of teeth closed or opened by sliding a tab; a zip noun
A fastener with two rows of teeth closed or opened by sliding a tab; a zip.
Zsuń zamek w kurtce, bo jest zimno.
B1 the locking mechanism of a firearm noun
The locking mechanism of a firearm.
Zamek strzelby był zardzewiały.

Every meaning, in your language.

Definitions and example sentences are translated into 9 languages — so you understand every new Polish word from the very first tap.

DEGermanENEnglishESSpanishFRFrenchITItalianNLDutchTRTurkishCSCzechRURussian
Polish vocabulary research

How many words do you need to be fluent in Polish?

Vocabulary researchers measure Polish word size in word families — a root word and its inflected and derived forms. Polish is a highly inflected language, so a single family can include many surface forms.

The jump from B1 to B2 in Polish means roughly 2,000 more word families. With consistent daily review, that's about a year — if you don't forget what you've already learned.
A1
~500
A2
~1,000
B1
~2,000
B2
~4,000
C1
~8,000
C2
~16,000
Polish for English speakers

The challenge: Polish and English don't share roots.

Polish is a Slavic language — a completely different branch from English. There are no shared Germanic roots to lean on. However, thousands of Latin, French, and English loanwords have entered Polish, and many of those are immediately readable.

The core Slavic vocabulary has no English parallel. You'll meet it constantly — and look it up repeatedly — until you build a system for retaining it.

International words — readable from day one
komputer
computer
telefon
telephone
problem
problem
student
student
hotel
hotel
muzyka
music
film
film
sport
sport
park
park
centrum
centre
kultura
culture
forma
form

The core Slavic vocabulary has no English parallel. You'll meet it constantly — and look it up repeatedly — until you build a system for retaining it.

Made for Polish learners who want to expand their vocabulary.

Whether you're a heritage speaker reconnecting with the language, preparing for a Polish certificate, or working in a Polish environment — OpenWords turns every word you look up into a flashcard at the moment you look it up.

Heritage speakers reconnecting with the language
Polish language certificate (B1/B2) candidates
Work, family, or immersion learners
Advanced readers building precise, active vocabulary
FAQ

Polish vocabulary questions

What's the best way to learn Polish vocabulary?
Immerse yourself in real Polish — books, podcasts, films — and save every unknown word at the moment you look it up. With spaced repetition, each word comes back at the right moment before you'd forget it.
Does it help with Polish language certificates?
Yes. Entries include CEFR levels, so you can target B1 or B2 vocabulary specifically. The certificate exams test active vocabulary use — OpenWords helps you build and retain that.
Can I study Polish vocabulary offline?
Review works offline — once a word is saved, you can study it anywhere. Looking up new words needs internet.
Is Polish hard for English speakers?
The grammar is complex, but vocabulary-building is the most time-intensive part. Polish has thousands of international loanwords you'll recognise immediately, and OpenWords helps you systematically build the core Slavic vocabulary that has no English parallel.
Is OpenWords free?
Yes. No subscriptions, no paywalls. Free to download, free to use, no account required.
How is OpenWords different from Anki?
Anki is great and powerful, but you build everything yourself — or rely on someone else's decks. OpenWords takes care of that. Look up a word, tap save, it's in your queue. Multiple review formats, FSRS scheduling, zero setup.
How is OpenWords different from Quizlet?
Quizlet gives you other people's flashcards. OpenWords starts with a real dictionary: full definitions, examples, usage notes — then turns what you save into smart, scheduled review. Multiple card formats, not just front-back drills — you practice exactly what you saved.
How is OpenWords different from Google Translate?
Google Translate is great for texts, sentences, and photo translation. OpenWords is for vocabulary building: every meaning, level, forms, and usage — save a word once, remember it through repetition.
Available on iOS & Android

Start learning Polish vocabulary with OpenWords.

Every Polish word you look up is one tap away from becoming a flashcard.

Download on the App Store
Get it on Google Play

Free · No account required · Works offline

Also available for

English vocabulary
Dutch vocabulary
Russian vocabulary