[1] : The Collaborative International Dictionary of English v.0.48

in \in\, prep. as. in; akin to d.  g. in, icel. imac, sw. 
   dan. i, oir.  l. in, gr. 'en. root197. cf. 1st in-,
   inn.
   the specific signification of in is situation or place with
   respect to surrounding, environment, encompassment, etc. it
   is used with verbs signifying being, resting, or moving
   within limits, or within circumstances or conditions of any
   kind conceived of as limiting, confining, or investing,
   either wholly or in part. in its different applications, it
   approaches some of the meanings of, and sometimes is
   interchangeable with, within, into, on, at, of, and among. it
   is used: 
   1913 webster

   1. with reference to space or place; as, he lives in boston;
      he traveled in italy; castles in the air.
      1913 webster

            the babe lying in a manger.           --luke ii. 16.
      1913 webster

            thy sun sets weeping in the lowly west. --shak.
      1913 webster

            situated in the forty-first degree of latitude.
                                                  --gibbon.
      1913 webster

            matter for censure in every page.     --macaulay.
      1913 webster

   2. with reference to circumstances or conditions; as, he is
      in difficulties; she stood in a blaze of light. "fettered
      in amorous chains." --shak.
      1913 webster

            wrapt in sweet sounds, as in bright veils.
                                                  --shelley.
      1913 webster

   3. with reference to a whole which includes or comprises the
      part spoken of; as, the first in his family; the first
      regiment in the army.
      1913 webster

            nine in ten of those who enter the ministry.
                                                  --swift.
      1913 webster

   4. with reference to physical surrounding, personal states,
      etc., abstractly denoted; as, i am in doubt; the room is
      in darkness; to live in fear.
      1913 webster

            when shall we three meet again,
            in thunder, lightning, or in rain?    --shak.
      1913 webster

   5. with reference to character, reach, scope, or influence
      considered as establishing a limitation; as, to be in
      one's favor. "in sight of god's high throne." --milton.
      1913 webster

            sounds inharmonious in themselves, and harsh.
                                                  --cowper.
      1913 webster

   6. with reference to movement or tendency toward a certain
      limit or environment; -- sometimes equivalent to into; as,
      to put seed in the ground; to fall in love; to end in
      death; to put our trust in god.
      1913 webster

            he would not plunge his brother in despair.
                                                  --addison.
      1913 webster

            she had no jewels to deposit in their caskets.
                                                  --fielding.
      1913 webster

   7. with reference to a limit of time; as, in an hour; it
      happened in the last century; in all my life.
      1913 webster

   in as much as, or inasmuch as, in the degree that; in
      like manner as; in consideration that; because that;
      since. see synonym of because, and cf. for as much
      as, under for, prep.

   in that, because; for the reason that. "some things they do
      in that they are men . . .; some things in that they are
      men misled and blinded with error." --hooker.

   in the name of, in behalf of; on the part of; by authority;
      as, it was done in the name of the people; -- often used
      in invocation, swearing, praying, and the like.

   to be in for it.
      a to be in favor of a thing; to be committed to a
          course.
      b to be unable to escape from a danger, penalty, etc.
          colloq.

   to be in with or to keep in with.
      a to be close or near; as, to keep a ship in with the
          land.
      b to be on terms of friendship, familiarity, or intimacy
          with; to secure and retain the favor of. colloq.

   syn: into; within; on; at. see at.
        1913 webster
see also:
in- inn in as much as inasmuch as synonym because 
for as much as for in that in the name of to be in for it 
to be in with to keep in with at 

[2] : The Collaborative International Dictionary of English v.0.48

keep \keep\, v. i.
   1. to remain in any position or state; to continue; to abide;
      to stay; as, to keep at a distance; to keep aloft; to keep
      near; to keep in the house; to keep before or behind; to
      keep in favor; to keep out of company, or out reach.
      1913 webster

   2. to last; to endure; to remain unimpaired.
      1913 webster

            if the malt be not thoroughly dried, the ale it
            makes will not keep.                  --mortimer.
      1913 webster

   3. to reside for a time; to lodge; to dwell. now disused
      except locally or colloquially.
      1913 webster

            knock at his study, where, they say, he keeps.
                                                  --shak.
      1913 webster

   4. to take care; to be solicitous; to watch. obs.
      1913 webster

            keep that the lusts choke not the word of god that
            is in us.                             --tyndale.
      1913 webster

   5. to be in session; as, school keeps to-day. colloq.
      1913 webster

   to keep from, to abstain or refrain from.

   to keep in with, to keep on good terms with; as, to keep in
      with an opponent.

   to keep on, to go forward; to proceed; to continue to
      advance.

   to keep to, to adhere strictly to; not to neglect or
      deviate from; as, to keep to old customs; to keep to a
      rule; to keep to one's word or promise.

   to keep up, to remain unsubdued; also, not to be confined
      to one's bed.
      1913 webster
see also:
to keep from to keep in with to keep on to keep to to keep up 

Keep >> K Words
Keep, definition of term: Keep
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Keep Off >> K Words
Keep Off, definition of term: Keep Off
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Keep Up >> K Words
Keep Up, definition of term: Keep Up
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Keep Down >> K Words
Keep Down, definition of term: Keep Down
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Keep Back >> K Words
Keep Back, definition of term: Keep Back
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Keep Away >> K Words
Keep Away, definition of term: Keep Away
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Keep Up With >> K Words
Keep Up With, definition of term: Keep Up With
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