Here's an offline English dictionary
with a cool link feature
with a cool link feature
The app has over 1 million entries, which are installed when you first open it, so the size is going to be pretty big, about 310MB. But this is an app for you and me for whom that is no problem at all.
Explicit links can make it harder to read, but implicit links keep the page simple and clean. Most words and phrases on definition pages implicitly link to the pages where they're defined.
For a headword phrase, simply tap a word or sub-phrase to see the definition.
Texts in the dictionary come from Wiktionary, so they're also licensed under CC BY-SA 4.0.