Does Obsidian has pre/user-defined thesaurus to global search with synonyms?

When I global search (with Cmd + Shift + F on Mac) with a specific keyword, Obsidian tries to search by exact matching the keyword and lists all those items.
But sometimes I can’t come up with keywords to look up for some concepts in my mind. In that case, I usually put its synonyms and narrow those down so that I can hopefully find the keyword I originally want and use it to find Obsidian notes.

What I’d like to know is if Obsidian has a feature to search items with pre/user-defined thesaurus so users can search with/including synonyms.
This functionality is very useful especially when users don’t remember exact words but need to find abstract concepts they have in their mind, or even summarize many of similar concepts that notes contain.


You might be interested in downloading this Obsidian vault version of Roget’s 21st Century Thesaurus - 3rd Edition. Not sure it is still available, but after seeing Nick Milo’s supplemental YouTube video at, I downloaded the vault that someone shared with him at It’s quite impressive.

Hope this helps!

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It’s still available once you enter a few details and answer a few questions. I just downloaded it. It’s also available on note - Roget's Thesaurus 3rd Edition - Obsidian Publish for the online version.

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