Inverse Dictionary Lookup

Question

Example: Using WordDefinition:

WordDefinition["surreptitious"]

{"conducted with or marked by hidden aims or methods", "marked by \
quiet and caution and secrecy; taking pains to avoid being observed"}

Let's say this appears in a crossword puzzle and I want to execute an inverse dictionary lookup for it. My current strategy turns up many related and good words.

Synonyms["secretive"]~Join~Synonyms["mysterious"]~Join~
 Synonyms["hidden"]~Join~Synonyms["unobservable"]

{"close", "closelipped", "closemouthed", "tightlipped", "cryptic", \
"cryptical", "deep", "inscrutable", "mystic", "mystical", \
"mystifying", "occult", "orphic", "secret", "concealed", "obscure", \
"out of sight", "secret"}

One way could be to execute WordDefinition and make key-value pairs for the entire dictionary and use that information to search for probable answers.

Question How can I perform an inverse lookup using a phrase or a word. Is there a built-in method for it? Any hints would be appreciated.

Thanks.

Use cases

1. Crossword puzzles
2. Alteration of articles
3. Automated summaries
4. Exclusion of selected words etc

etc.