Definition of along

• 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"
• in accompaniment or as a companion; "his little sister came along to the movies"; "I brought my camera along"; "working along with his father"
• to a more advanced state; "the work is moving along"; "well along in their research"; "hurrying their education along"; "getting along in years"