No Matter Which is a phrase used to emphasize that something is true regardless of the circumstances. It is often used to express that a certain action or decision should be taken NO matter what the outcome may be. The term can be broken down into two words: 'NO' and 'matter which.' The first word, 'NO, ' is an adverb meaning not ANY, while the second word, 'matter which, ' is an adjective meaning regardless of which one. Together, they form a phrase that emphasizes the importance of taking action regardless of the outcome.