* Is a misspelling: It might be a misspelling of a similar word, like "Nirjhar" which means "waterfall" or "cascade."
* Is a regional dialect word: Some words are specific to certain regions and may not be widely known.
* Is a newly coined word: It's possible that it's a newly created word, perhaps in a specific context.
To get a more accurate answer, you'll need to provide more information:
* Context: Where did you encounter this word? In a book, conversation, or online?
* What was the subject matter? This will help understand the potential meaning.
* Any other clues? Were there other words nearby that might be related?
With more information, I can help you determine the meaning of "Nirjar."