Is there a way to go from definition to a word?

Okay I have been wondering this for the longest time…

Have you ever typed out a strand of words and you just can’t come up with that one “perfect” word that incorporates everything you mean? well here’s my question…
Is there some website out there that lets you put in a description of a word or a definition and it’ll just give you the “perfect” word for it?
and i don’t mean a thesaurus and i realize that i could just ask people on here but does such a site exist?

Thanks so much for taking the time to answer!

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