I. ̷ ̷| ̷ ̷| ̷ ̷ adverb
Etymology: along (I) + side
1. : along the side : in parallel position
a small cabin with logs piled alongside
2. : in company : at the side : close to
a guard with his prisoner alongside
II. preposition
1.
a. : along the side of : at the side of or parallel to
the tug drew up alongside the freighter
b. : in combination or company with : along with
a pleasure to work alongside such men
2. : in a position or manner comparable with
a new writer who takes his place alongside the best
III. preposition
: in addition to
a special category alongside the awards it annually presents — Horizon