From The Collaborative International Dictionary of English v.0.48:
Now \Now\ (nou), adv. [OE. nou, nu, AS. n[=u], nu; akin to D.,
OS., & OHG. nu, G. nu, nun, Icel., n[=u], Dan., Sw., & Goth.
nu, L. nunc, Gr. ny`, ny^n, Skr. nu, n[=u]. [root]193. Cf.
New.]
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1. At the present time; at this moment; at the time of
speaking; instantly; as, I will write now.
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I have a patient now living, at an advanced age, who
discharged blood from his lungs thirty years ago.
--Arbuthnot.
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2. Very lately; not long ago.
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They that but now, for honor and for plate,
Made the sea blush with blood, resign their hate.
--Waller.
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3. At a time contemporaneous with something spoken of or
contemplated; at a particular time referred to.
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The ship was now in the midst of the sea. --Matt.
xiv. 24.
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4. In present circumstances; things being as they are; --
hence, used as a connective particle, to introduce an
inference or an explanation.
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How shall any man distinguish now betwixt a parasite
and a man of honor? --L'Estrange.
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Why should he live, now nature bankrupt is? --Shak.
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Then cried they all again, saying, Not this man, but
Barabbas. Now, Barabbas was a robber. --John xviii.
40.
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The other great and undoing mischief which befalls
men is, by their being misrepresented. Now, by
calling evil good, a man is misrepresented to others
in the way of slander. --South.
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Now and again, now and then; occasionally.
Now and now, again and again; repeatedly. [Obs.] --Chaucer.
Now and then, at one time and another; indefinitely;
occasionally; not often; at intervals. "A mead here, there
a heath, and now and then a wood." --Drayton.
Now now, at this very instant; precisely now. [Obs.] "Why,
even now now, at holding up of this finger, and before the
turning down of this." --J. Webster (1607).
Now . . . now, alternately; at one time . . . at another
time. "Now high, now low, now master up, now miss."
--Pope.
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From The Collaborative International Dictionary of English v.0.48:
Again \A*gain"\ (?; 277), adv. [OE. agein, agayn, AS. ongegn,
onge['a]n, against, again; on + ge['a]n, akin to Ger. gegewn
against, Icel. gegn. Cf. Gainsay.]
1. In return, back; as, bring us word again.
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2. Another time; once more; anew.
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If a man die, shall he live again? --Job xiv. 14.
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3. Once repeated; -- of quantity; as, as large again, half as
much again.
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4. In any other place. [Archaic] --Bacon.
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5. On the other hand. "The one is my sovereign . . . the
other again is my kinsman." --Shak.
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6. Moreover; besides; further.
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Again, it is of great consequence to avoid, etc.
--Herschel.
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Again and again, more than once; often; repeatedly.
Now and again, now and then; occasionally.
To and again, to and fro. [Obs.] --De Foe.
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Note: Again was formerly used in many verbal combinations,
as, again-witness, to witness against; again-ride, to
ride against; again-come, to come against, to
encounter; again-bring, to bring back, etc.
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