If you specifically need a PDF file for a tablet or e-reader, several academic and open-source projects provide them for free: WordReference PDF Guides
: The Reverso Context app allows you to download specific language packs for offline use. This gives you access to translations, synonyms, and conjugations even in "airplane mode".
If there are specific categories of words or phrases you need from Reverso, you can create a custom PDF: for a set of terms on Reverso Context
If you specifically need a PDF file for a tablet or e-reader, several academic and open-source projects provide them for free: WordReference PDF Guides
: The Reverso Context app allows you to download specific language packs for offline use. This gives you access to translations, synonyms, and conjugations even in "airplane mode".
If there are specific categories of words or phrases you need from Reverso, you can create a custom PDF: for a set of terms on Reverso Context