What does bilquil mean in Hindi?

There is no word "bilquil" in Hindi. It's possible you're thinking of a similar-sounding word, or there might be a misspelling.

Here are some possibilities:

* Bilkul: This is a common Hindi word meaning "absolutely," "completely," or "entirely."

* Bilkul nahi: This means "not at all" or "absolutely not."

If you can provide more context or the sentence where you encountered the word, I might be able to help you figure out what it meant.