Polish-language Wiktionary — definitions, declensions, conjugations, and etymologies for Polish words, written in Polish.

Multi-purpose Polish dictionary with spelling, word forms, and quick lookups. Especially handy for checking whether a form exists and how a word is used.

Major academic dictionary from the Polish Academy of Sciences, with definitions, usage notes, thematic browsing, and detailed examples from real Polish.

Popular Polish-English dictionary with translations, example sentences, recordings, and IPA support. One of the most practical day-to-day lookup tools for learners.

Authoritative online dictionary from academic publisher PWN — definitions, spelling rules, language advisory (Poradnia Językowa), and guidance on the 2026 orthography reform.

Poland's largest community-driven dictionary of slang and colloquial language — essential for understanding informal Polish speech, youth vocabulary, and regional expressions.

The largest Polish online synonym dictionary — 600,000+ synonyms for nearly 150,000 words and expressions, organized into contextual meaning groups with example sentences.

Polish synonym dictionary endorsed by linguist prof. Jerzy Bralczyk — searchable database of word alternatives available on web and as mobile apps for iOS, Android, and Windows.

Electronic dictionary of Polish from the 17th and 18th centuries, maintained by the Institute of Polish Language at the Polish Academy of Sciences — searchable historical lexicon for early modern Polish.

Comprehensive dictionary of 16th-century Polish from the Institute of Literary Research at the Polish Academy of Sciences — headword index, primary source canon, and digital text corpus from the Renaissance period.

Digital edition of the Słownik Staropolski (ed. prof. Stanisław Urbańczyk, 1953–2002) — historical dictionary of Polish vocabulary from the oldest manuscripts up to 1500, maintained by the Workshop of Old Polish Language at IJP PAN.

English–Polish and Polish–English online dictionary with clean search — look up translations, see word forms, and browse vocabulary across a wide range of everyday and specialist terms.

Lingvopedia's Polish language reference page — an encyclopedic overview of Polish covering grammar, phonology, writing system, and history, useful as a structured linguistic introduction.

Polish-English dictionary and translation memory with large numbers of example sentences, audio, and contextual translations. Useful when you want to see how a word or phrase behaves in real bilingual usage.