Michaelis Dicionário Brasileiro
Brazil's reference dictionary, free online, with monolingual and bilingual editions.
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What it actually is
Published by Melhoramentos, with over 350,000 definitions including regionalisms, colloquialisms and slang, plus Portuguese–English and other bilingual dictionaries alongside the monolingual one. It is the Brazilian counterpart to Priberam and the better choice when a word is Brazil-specific. The web version is free; the site is ad-heavy and the mobile apps are paid.
What it covers
- Vocabulary
- Reading