I. a ‧ long 1 S1 W1 /əˈlɒŋ $ əˈlɒːŋ/ BrE AmE adverb
1 . going forward:
I was driving along, thinking about Chris.
a group of children walking along in a line
2 . go/come along to go or come to a place where something is happening:
You’re welcome to come along if you like.
I think I’ll go along and watch the game.
3 . take/bring somebody/something along to take someone or something with you to a place:
Mandy brought some of her friends along.
Why don’t you take your guitar along?
4 . be/come along to arrive:
Another bus should be along in a minute.
Every so often, a band comes along that changes music history.
5 . come/go/get along to improve, develop, or make progress:
After a five-hour operation, Wendy is coming along just fine.
6 . along with somebody/something together with someone or something else:
Dunne was murdered, along with three guards.
7 . all along all the time from the beginning, while something was happening:
They should have known all along that she was lying.
II. along 2 S1 W1 BrE AmE preposition
[ Language: Old English ; Origin: andlang , from and- 'against' + lang 'long' ]
1 . from one place on something such as a line, road, or edge towards the other end of it:
We were driving along Follyfoot Road.
She glanced anxiously along the line of faces.
He slid his hand along her arm.
2 . forming a line beside something long:
The palm trees along the shore swayed in the wind.
the toolbar along the top of your screen
There were cheering crowds all along Pennsylvania Avenue.
3 . a particular distance away, on or beside something long such as a line, road, edge etc:
Hugo’s house was about two hundred yards away along the main street.
The bathroom is just along (=a short distance along) the corridor.
4 . along the way/line during a process or experience, or during someone’s life:
I’ve been lucky, but I’ve had my share of heartbreak along the way.