Question 1

What does "birds of a feather flock together" mean?

Accepted Answer

People with similar interests, backgrounds, or characters tend to associate with each other.

Question 2

How do you use "birds of a feather flock together" in a sentence?

Accepted Answer

They became fast friends — birds of a feather flock together.

Question 3

Is "birds of a feather flock together" formal or informal?

Accepted Answer

"birds of a feather flock together" is register-neutral — appropriate in both casual and formal contexts. A proverb used to describe social groupings and how people naturally gravitate to those similar to themselves.