1. (noun)now the momentary present "Now is a good time to do it"; "it worked up to right now"
2. (adverb)now in the historical present; at this point in the narration of a series of past events "President Kennedy now calls in the National Guard"; "Washington now decides to cross the Delaware"; "the ship is now listing to port"
3. (adverb)nowadays, now, today in these times "it is solely by their language that the upper classes nowadays are distinguished"- Nancy Mitford; "we now rarely see horse-drawn vehicles on city streets"; "today almost every home has television"
5. (adverb)now, at present at the presentmoment "goods now on sale"; "the now-aging dictator"; "they are now abroad"; "he is busy at present writing a new novel"; "it could happen any time now"
6. (adverb)immediately, instantly, straightaway, straight off, directly, now, right away, at once, forthwith, like a shot without delay or hesitation; with no time intervening "he answered immediately"; "found an answer straightaway"; "an official accused of dishonesty should be suspended forthwith"; "Come here now!"
7. (adverb)now (prefatory or transitional) indicates a change of subject or activity "Now the next problem is..."
8. (adverb)now in the immediate past "told me just now"