Definition:
"Til now" is an adverbial phrase that means "up to this moment" or "up to the present time." It is often used in negative statements to indicate that something has not happened or a situation has not changed until the current moment.
In writing or speaking, you can also use "til now" to express a change that is anticipated or expected in the future. For instance: - "Til now, I have only read the first chapter, but I plan to finish the book by next week."
There are no specific idioms or phrasal verbs that directly incorporate "til now," but phrases like "up until now" or "so far" can convey similar meanings in context.
"Til now" is a useful phrase to indicate something that has been true or has not happened from the past until the present time.