Using Reverse Dictionaries for Keyword Research

SMS Text

I have previously listed several online dictionaries that define any word you specify. That’s so-to-say the direct process: you give a word and its definition (explanation) is returned. Now, imagine we go in the opposite direction: you give (several) word(s) and all the terms that can be defined using the words you give are returned.

This is how reverse dictionaries work: they list the terms which definitions contain the specified word(s). Now, the benefit for the keyword research is quite clear: this is another (alternative) way to broaden the scope of your core terms by researching related words and phrases.

Here are two completely free online reverse dictionaries:

OneLook Reverse Dictionary

Onelook reverse dictionary returns the list of related terms, each word linked to its definition:

Sample search: [obesity]

OneLook reverse dictionary Reverse Dictionary reverse dictionary clusters related terms into groups by their meaning and gives the actual definition for each cluster:

Sample search: [obesity] reverse dictionary

Any more reverse dictionaries you are aware of?

Ann Smarty
Ann Smarty is the blogger and community manager at Internet Marketing Ninjas. Ann's expertise in blogging and tools serve as a base for her writing, tutorials and her guest blogging project,
Ann Smarty
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  • Adrian | Impact Media

    Hi Ann – thanks for sharing this information on using reverse dictionaries for keyword research. Very useful, particularly for anyone involved in writing content for the web.

    • pandiyarajan

      I think we can use this tool for the keyword research in addition with Google Keyword tool, Word tracker to enhance our keyword selection. We use this technique while we use broad keyword match in Google Adwords and get the effective negative keywords too.

  • Ralph Jung

    Good idea, thanks. Here is another reverse dictionary that I bookmarked at some point:

  • Janet

    Hey, that’s a very smart way to find keywords thank you!

  • Tim Cohn

    Great keyword research strategy Ann.

  • Stephen Moore

    Wow! Thanks Ann for sharing this great technique. I’m definitely going to be using this.

  • Marty Martin

    I just used it for the first time today. Thanks!

  • mohamed

    Thanks a lot its very useful tool .

  • farooq ahmed

    This is a good technique. You don’t have to run for competitive keywords.

  • SeoNext

    This isi really an amazing tool,thanks a lot for sharing with us.Really a nice post.

  • MyCult

    That is very clever indeed!

    I usually used the old 100result & a tilda (~) before the search and see which term G bolds. e.g. look at the terms highlighted in bold.

    This reverse dictionary is another great (possibly better) way for finding semantically related words to sprinkle through your content. Thanks for this lady.

  • Janet Robbins

    How clever! Great suggestion.