2. Merriem-Webster Dictionary

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We all read books and come across words that we aren’t entirely sure the meaning of. Rather than embarrassingly repeat great words out of context in the future, you can use this comprehensive dictionary app to find a simple definition. Simply type in the word or, if you are feeling more adventurous, you can even use the voice search function to find a quick definition. This is by far one of the most useful apps for book lovers. And it’s free!