The Collaborative International Dictionary of English v.0.48:

Next \Next\ (n[e^]kst), a., superl. of Nigh. [AS. n[=e]hst,
   ni['e]hst, n[=y]hst, superl. of ne['a]h nigh. See Nigh.]
   1. Nearest in place; having no similar object intervening.
      --Chaucer.
      [1913 Webster]

            Her princely guest
            Was next her side; in order sat the rest. --Dryden.
      [1913 Webster]

            Fear followed me so hard, that I fled the next way.
                                                  --Bunyan.
      [1913 Webster]

   2. Nearest in time; as, the next day or hour.
      [1913 Webster]

   3. Adjoining in a series; immediately preceding or following
      in order.
      [1913 Webster]

            None could tell whose turn should be the next.
                                                  --Gay.
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   4. Nearest in degree, quality, rank, right, or relation; as,
      the next heir was an infant.
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            The man is near of kin unto us, one of our next
            kinsmen.                              --Ruth ii. 20.
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   Note: Next is usually followed by to before an object, but to
         is sometimes omitted. In such cases next in considered
         by many grammarians as a preposition.
         [1913 Webster]

   Next friend (Law), one who represents an infant, a married
      woman, or any person who can not appear sui juris, in a
      suit at law.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Next \Next\, adv.
   In the time, place, or order nearest or immediately
   succeeding; as, this man follows next.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Nigh \Nigh\ (n[imac]), a. [Compar. Nigher (n[imac]"[~e]r);
   superl. Nighest, or Next (n[e^]kst).] [OE. nigh, neigh,
   neih, AS. ne['a]h, n[=e]h; akin to D. na, adv., OS. n[=a]h,
   a., OHG. n[=a]h, G. nah, a., nach to, after, Icel. n[=a] (in
   comp.) nigh, Goth. n[=e]hw, n[=e]hwa, adv., nigh. Cf. Near,
   Neighbor, Next.]
   1. Not distant or remote in place or time; near.
      [1913 Webster]

            The loud tumult shows the battle nigh. --Prior.
      [1913 Webster]

   2. Not remote in degree, kindred, circumstances, etc.;
      closely allied; intimate. "Nigh kinsmen." --Knolles.
      [1913 Webster]

            Ye . . . are made nigh by the blood of Christ.
                                                  --Eph. ii. 13.
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   Syn: Near; close; adjacent; contiguous; present; neighboring.
        [1913 Webster]

WordNet (r) 3.0 (2006):

next
    adv 1: at the time or occasion immediately following; "next the
           doctor examined his back"
    adj 1: immediately following in time or order; "the following
           day"; "next in line"; "the next president"; "the next
           item on the list" [syn: following, next]
    2: nearest in space or position; immediately adjoining without
       intervening space; "had adjacent rooms"; "in the next room";
       "the person sitting next to me"; "our rooms were side by
       side" [syn: adjacent, next, side by side(p)]
    3: (of elected officers) elected but not yet serving; "our next
       president" [syn: future(a), next, succeeding(a)]

Moby Thesaurus II by Grady Ward, 1.0:

58 Moby Thesaurus words for "next":
   adjacent, adjoining, after, after all, after that, afterward,
   afterwards, appendant, behind, below, bordering, by, closest,
   coming, connecting, consequent, conterminous, contiguous,
   coterminous, end to end, endways, endwise, ensuing, ex post facto,
   face to face, following, immediate, in the aftermath,
   in the sequel, joined, juxtaposed, juxtapositional, juxtapositive,
   later, nearest, nearmost, neighbor, neighboring, nighest,
   posterior, postpositional, postpositive, proximate, sequacious,
   sequent, sequential, since, subsequent, subsequent to,
   subsequently, succeeding, successive, suffixed, then, thereafter,
   thereon, thereupon, therewith



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

NEXT
       NEw eXtended Technology, "NeXT"