Frequency: The word is one of the 3000 most common words in English.
1.
If one thing is ~ another thing, the first thing is next to the second.
He crossed the street and walked ~ Central Park...
Much of the industry was located ~ rivers.
PREP
•
Alongside is also an adverb.
He waited several minutes for a car to pull up ~.
ADV: ADV after v
2.
If you work ~ other people, you all work together in the same place.
He had worked ~ Frank and Mark and they had become friends...
PREP
3.
If one thing exists or develops ~ another, the two things exist or develop together at the same time.
Her self-confidence will develop ~ her technique...
= together with
PREP