* A misspelling: Perhaps you meant "vanish," which means to disappear suddenly or completely.
* A word from another language: It might be a word from a different language, like Hindi or Sanskrit. If you could provide more context, I might be able to help you understand its meaning.
* A made-up word: It's also possible that "vinish" is a made-up word or a slang term used within a specific group.
Please provide more information about where you encountered this word, and I'll do my best to help you decipher its meaning!