reverse dictionary

1. an alphabetical list of words spelled in reversed order, of use especially to linguists and cryptographers.
2. a thesauruslike dictionary alphabetizing meanings and concepts under which are listed the related words that are defined or explained.
3. a dictionary of alphabetized word elements, as prefixes, suffixes, and roots, with lists of the words derived from them.

Example Sentences

One Look Reverse Dictionary When you just know there’s a word for what you’re trying to say, but the best you can do is describe it, the reverse dictionary will give you a list of words and phrases related to your description.

From Forbes