Meaning of the word "ally with" in English

What does "ally with" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

ally with

US /ˈælaɪ wɪð/
UK /ˈælaɪ wɪð/

Phrasal Verb

to join with another person or group in order to give support or to achieve a common goal

Example:
The smaller parties decided to ally with the main opposition.
She chose to ally with her former rival for the project.