Meaning of the word "feel left out" in English

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

feel left out

US /fil lɛft aʊt/
UK /fiːl lɛft aʊt/

Idiom

to feel excluded or not included in a group or activity

Example:
She started to feel left out when her friends made plans without her.
It's easy to feel left out if you're new to a group.