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

while \while\, n. as. hwimacl; akin to os. hwimacl,
   hwimacla, ofries. hwimacle, d. wigl, g. weile, ohg.
   wimacla, hwimacla, hwimacl, icel. hvimacla a bed,
   hvimacld rest, sw. hvila, dan. hvile, goth. hweila a time,
   and probably to l. quietus quiet, and perhaps to gr. ? the
   proper time of season. root20. cf. quiet, whilom.
   1. space of time, or continued duration, esp. when short; a
      time; as, one while we thought him innocent. "all this
      while." --shak.
      1913 webster

            this mighty queen may no while endure. --chaucer.
      1913 webster

            some guest that hath outside his welcome while,
            and tells the jest without the smile. --coleridge.
      1913 webster

            i will go forth and breathe the air a while.
                                                  --longfellow.
      1913 webster

   2. that which requires time; labor; pains. obs.
      1913 webster

            satan . . . cast him how he might quite her while.
                                                  --chaucer.
      1913 webster

   at whiles, at times; at intervals.
      1913 webster

            and so on us at whiles it falls, to claim
            powers that we dread.                 --j. h.
                                                  newman.
      1913 webster

   the while, the whiles, in or during the time that;
      meantime; while. --tennyson.

   within a while, in a short time; soon.

   worth while, worth the time which it requires; worth the
      time and pains; hence, worth the expense; as, it is not
      always worth while for a man to prosecute for small debts.
      1913 webster
see also:
quiet whilom at whiles the while the whiles within a while 
worth while 

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

worth \worth\, a. oe. worth, wurthorn, as. weoreth, wure;
   akin to ofries. werth, os. wereth, d. waard, ohg. werd, g.
   wert, werth, icel. verethr, sw. vaumrd, dan. vaerd,
   goth. wa'irps, and perhaps to e. wary. cf. stalwart,
   ware an article of merchandise, worship.
   1913 webster
   1. valuable; of worthy; estimable; also, worth while. obs.
      1913 webster

            it was not worth to make it wise.     --chaucer.
      1913 webster

   2. equal in value to; furnishing an equivalent for; proper to
      be exchanged for.
      1913 webster

            a ring he hath of mine worth forty ducats. --shak.
      1913 webster

            all our doings without charity are nothing worth.
                                                  --bk. of com.
                                                  prayer.
      1913 webster

            if your arguments produce no conviction, they are
            worth nothing to me.                  --beattie.
      1913 webster

   3. deserving of; -- in a good or bad sense, but chiefly in a
      good sense.
      1913 webster

            to reign is worth ambition, though in hell.
                                                  --milton.
      1913 webster

            this is life indeed, life worth preserving.
                                                  --addison.
      1913 webster

   4. having possessions equal to; having wealth or estate to
      the value of.
      1913 webster

            at geneva are merchants reckoned worth twenty
            hundred crowns.                       --addison.
      1913 webster

   worth while, or worth the while. see under while, n.
      1913 webster
see also:
stalwart ware worship worth while worth the while while 

Moneys Worth >> M Words
Moneys Worth, definition of term: Moneys Worth
moneys+worth_pag1.html

Fort Worth >> F Words
Fort Worth, definition of term: Fort Worth
fort+worth_pag1.html

Be Worth >> B Words
Be Worth, definition of term: Be Worth
be+worth_pag1.html

Once In A While >> O Words
Once In A While, definition of term: Once In A While
once+in+a+while_pag1.html