Source : Webster's Revised Unabridged Dictionary (1913)

Last \Last\, v. i. [imp. & p. p. {Lasted}; p. pr. & vb. n.
   {Lasting}.] [OE. lasten, As. l[ae]stan to perform, execute,
   follow, last, continue, fr. l[=a]st, l?st, trace, footstep,
   course; akin to G. leisten to perform, Goth. laistjan to
   follow. See {Last} mold of the foot.]
   1. To continue in time; to endure; to remain in existence.

            [I] proffered me to be slave in all that she me
            would ordain while my life lasted.    --Testament of
                                                  Love.

   2. To endure use, or continue in existence, without
      impairment or exhaustion; as, this cloth lasts better than
      that; the fuel will last through the winter.

Lasting \Last"ing\, a.
   Existing or continuing a long while; enduring; as, a lasting
   good or evil; a lasting color.

   Syn: Durable; permanent; undecaying; perpetual; unending.

   Usage: {Lasting}, {Permanent}, {Durable}. Lasting commonly
          means merely continuing in existence; permanent
          carries the idea of continuing in the same state,
          position, or course; durable means lasting in spite of
          agencies which tend to destroy.

Lasting \Last"ing\, n.
   1. Continuance; endurance. --Locke.

   2. A species of very durable woolen stuff, used for women's
      shoes; everlasting.

   3. The act or process of shaping on a last.

Lasting \Last"ing\, adv.
   In a lasting manner.

Source : WordNet®

lasting
     adj 1: continuing or enduring without marked change in status or
            condition or place; "permanent secretary to the
            president"; "permanent address"; "literature of
            permanent value" [syn: {permanent}] [ant: {impermanent}]
     2: existing for a long time; "hopes for a durable peace"; "a
        long-lasting friendship" [syn: {durable}, {long-lasting},
        {long-lived}]
     3: retained; not shed; "persistent leaves remain attached past
        maturity"; "the persistent gills of fishes" [syn: {persistent}]
        [ant: {caducous}]
     4: lasting a long time without change; "a lasting relationship"
     5: lasting for an indefinitely long period of time [syn: {everlasting},
         {eternal}, {eonian}, {aeonian}]