1. at the side; side by side
Usage: nautical

1. next to and parallel with something
2. together with someone or something

Examples

• The car pulled up alongside the curb.
• She walked alongside her friend down the street.
• The new employee will work alongside experienced staff members.
• The boat came alongside the dock.
• He fought alongside his comrades in the war.
• The two ships sailed alongside each other.
• She studied alongside students from many different countries.