Now  —adv. 1 at the present or mentioned time. 2 immediately (i must go now). 3 by this time. 4 under the present circumstances (i cannot now agree). 5 on this further occasion (what do you want now?). 6 in the immediate past (just now). 7 (esp. In a narrative) then, next (the police now arrived). 8 (without reference to time, giving various tones to a sentence) surely, i insist, i wonder, etc. (now what do you mean by that?; oh come now!). —conj. (often foll. By that) as a consequence of the fact (now that i am older). —n. This time; the present.  for now until a later time (goodbye for now). Now and again (or then) from time to time; intermittently. [old english]