Now and Without delay

Now adjective - Keenly aware of and responsive to the latest developments especially in fashion and entertainment.

Without delay is a synonym for now in at once topic. In some cases you can use "Without delay" instead the word "Now" as an adverb or an adjective.

Now is a synonym for without delay in immediately topic. You can use "Now" instead the phrase "Without delay" as an adverb or an adjective, if it concerns topics such as at once, right now, in a short while.