How to add a new word to Word’s spell check dictionary?

Word highlights a new word (not included in its main dictionary) with a wavy red underline to show it as a misspelled word. If you want a new word to add to the main dictionary, you have two ways:

First method (automatically):

1. In the document, right click the Word with the wavy red underline.
2. From the right-click menu, select option Add to Dictionary. The new word is added to the default dictionary.

Second method (manually):

1. Click the File tab on the Ribbon menu.
2. From the File menu, select Options. Word Options dialog box appears.
3. On the Word Options dialog box, click category Proofing on the left pane.
4. On the right hand pane, click the Custom Dictionaries button. Custom Dictionaries dialog appears.
5. In the Custom Dictionaries dialog, click Edit Word List button.
6. Type the new word in the Word(s) field. Then click Add.

How to create a custom dictionary and set the same as the default dictionary to which new words are added

To create a custom dictionary

1. In the Custom Dictionaries dialog box (see step 4 of above), click the New button.
2. Enter the name of the new dictionary. Click Save.

How to use a custom dictionary as the default dictionary to hold the new words

After you have created a new dictionary as shown above using the Custom Dictionaries dialog box, select the dictionary and then select the language from the Dictionary Language list.

Word creates a new language category and places the custom dictionary under the language.

How to change default dictionary

If a language has multiple dictionaries listed in the Custom Dictionaries dialog box, and you wish to change the default dictionary for the language then select the custom dictionary and click the Change Default button.