How to Add a Custom Word to Mac's Apple Dictionary Zach (204) Total time: 1 minute Updated: October 14th, 2019ShareFacebookRedditTwitterPinterestEmailText messageFavoriteComment While we were building howchoo we realized that our Macs wouldn't recognize the word. This led us to search for a way to add the term "howchoo" to our Macs' dictionaries. Here's how you do it.InterestsPosted in these interests:macPRIMARY81 subscribersSubscribedictionary2 subscribersSubscribespelling1 subscriberSubscribeTable of Contents Jump to step Intro1. Open TextEdit2. Type the word you'd like to add3. Add it to the dictionary1Open TextEdit Navigate to Applications > TextEdit.2Type the word you'd like to add Enter the new word you'd like to add.3Add it to the dictionary Right-click your new word and select Learn Spelling.