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

less \less\, v. t.
   to make less; to lessen. obs. --gower.
   1913 webster

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

-less \-less\ -le^s suff. as. le'as loose, false; akin to
   os. l=os loose, false, d. los loose, loos false, sly, g.
   los loose, icel. lauss loose, vacant, goth. laus empty, vain,
   and also to e. loose, lose. root127. see lose, and cf.
   loose, leasing.
   a privative adjective suffix, denoting without, destitute of,
   not having; as witless, childless, fatherless.
   1913 webster
see also:
lose loose leasing 

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

less \less\ le^s, conj.
   unless. obs. --b. jonson.
   1913 webster

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

less \less\, a. oe. lesse, as. l=aessa; akin to ofries.
   l=essa; a compar. from a lost positive form. cf. lesser,
   lest, least. less has the sense of the comparative degree
   of little.
   smaller; not so large or great; not so much; shorter;
   inferior; as, a less quantity or number; a horse of less size
   or value; in less time than before.
   1913 webster

   note: the substantive which less qualifies is often omitted;
         as, the purse contained less money than ten dollars.
         see less, n.
         1913 webster

               thus in less time than a hundred years from the
               coming of augustine, all england became
               christian.                         --e. a.
                                                  freeman.
         1913 webster
see also:
lesser lest least less 

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

less \less\, adv. as. l=aes. see less, adj., and cf.
   lest.
   not so much; in a smaller or lower degree; as, less bright or
   loud; less beautiful.
   1913 webster
see also:
less lest 

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

less \less\, n.
   1. a smaller portion or quantity.
      1913 webster

            the children of israel did so, and gathered, some
            more, some less.                      --ex. xvi. 17.
      1913 webster

   2. the inferior, younger, or smaller.
      1913 webster

            the less is blessed of the better.    --heb. vii. 7.
      1913 webster

[7] : WordNet (r) 2.0

less
     adj 1: comparative of `little' usually used with mass nouns a
            quantifier meaning not as great in amount or degree;
            "of less importance"; "less time to spend with the
            family"; "a shower uses less water"; "less than three
            years old" syn: lessa ant: morea
     2: usually preceded by `no' lower in quality; "no less than
        perfect"
     3: usually preceded by `no' lower in esteem; "no less a
        person than the king himself" syn: lower
     4: nonstandard in some uses but often idiomatic with measure
        phrases fewer; "less than three weeks"; "no less than 50
        people attended"; "in 25 words or less"
     adv 1: used to form the comparative of some adjectives and adverbs;
            "less interesting"; "less expensive"; "less quickly"
            syn: to a lesser extent ant: more
     2: comparative of little; "she walks less than she should"; "he
        works less these days" ant: more
see also:
lessa morea lower to a lesser extent more 

[8] : Moby Thesaurus II by Grady Ward, 1.0

89 moby thesaurus words for "less":
   abated, ablated, at a disadvantage, at the nadir, attenuated,
   barring, bated, belittled, below, below the mark, common, consumed,
   contracted, curtailed, decreased, decreasingly, decrescendo,
   deflated, demeaning, diminished, diminishingly, diminuendo,
   disadvantaged, discounting, dissipated, dropped, eroded, ever less,
   except, excepting, exception taken of, excluding, exclusive of,
   fallen, fewer, from, humble, in the gutter, in the shade, inferior,
   infra dig, junior, least, least of all, leaving out, less and less,
   lesser, low, lower, lowered, lowly, miniaturized, minor, minus,
   modest, not counting, not so much, off, ordinary, reduced,
   retrenched, sans, save, scaled-down, second rank, second string,
   secondary, servile, shorn, short of, shorter, shrunk, shrunken,
   smaller, sub, subaltern, subject, subordinate, subservient,
   third rank, third string, under, under par, underprivileged,
   vulgar, watered-down, weakened, without, worn

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