1. [adv]  with a forward motion; "we drove along admiring the view"; "the horse trotted along at a steady pace"; "the circus traveled on to the next city"; "move along"; "march on"
2. [adv]  in accompaniment or as a companion; "his little sister came along to the movies"; "I brought my camera along"; "working along with his father"
3. [adv]  in addition (usually followed by `with'); "we sent them food and some clothing went along in the package"; "along with the package came a bill"; "consider the advantages along with the disadvantages"
4. [adv]  to a more advanced state; "the work is moving along"; "well along in their research"; "hurrying their education along"; "getting along in years"
5. [adv]  in line with a length or direction (often followed by `by' or `beside'); "pass the word along"; "ran along beside me"; "cottages along by the river"

ALONG is a 5 letter word that starts with A.

1. \A*long"\ (?; 115), adv. [OE. along, anlong, AS. andlang,
   along; pref. and- (akin to OFris. ond-, OHG. ant-, Ger. ent-,
   Goth. and-, anda-, L. ante, Gr. ?, Skr. anti, over against) +
   lang long. See {Long}.]
   1. By the length; in a line with the length; lengthwise.
            Some laid along . . . on spokes of wheels are hung.
                                                  --Dryden.
   2. In a line, or with a progressive motion; onward; forward.
            We will go along by the king's highway. --Numb. xxi.
                                                  22.
            He struck with his o'ertaking wings, And chased us
            south along.                          --Coleridge.
   3. In company; together.
            He to England shall along with you.   --Shak.
   {All along}, all through the course of; during the whole
      time; throughout. ``I have all along declared this to be a
      neutral paper.'' --Addison.
   {To get along}, to get on; to make progress, as in business.
      ``She 'll get along in heaven better than you or I.''
      --Mrs. Stowe.
   

2. \A*long"\, prep.
   By the length of, as distinguished from across. ``Along the
   lowly lands.'' --Dryden.
         The kine . . . went along the highway.   --1 Sam. vi.
                                                  12.
   

3. \A*long"\ [AS. gelang owing to.]
   (Now heard only in the prep. phrase along of.)
   {Along of}, {Along on}, often shortened to {Long of}, prep.
      phr., owing to; on account of. [Obs. or Low. Eng.] ``On me
      is not along thin evil fare.'' --Chaucer. ``And all this
      is long of you.'' --Shak. ``This increase of price is all
      along of the foreigners.'' --London Punch.