These are smaller files containing only basic definitions and spellings. They lack etymology (word history) and rarely have example sentences.
Start by visiting The Internet Archive today. Search for "Webster's Unabridged Dictionary PDF." Download it to your desktop and smartphone. Then, delete the dictionary app from your phone. For one week, force yourself to use the PDF only. You will likely find that the slight friction of opening a file (rather than instant autocomplete) helps the definitions stick in your memory longer. dictionary pdf english