Meaning of the word "leave someone out in the cold" in English

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

leave someone out in the cold

US /liːv ˈsʌm.wʌn aʊt ɪn ðə koʊld/
UK /liːv ˈsʌm.wʌn aʊt ɪn ðə kəʊld/
"leave someone out in the cold" picture

Idiom

to exclude someone from a group or activity, or to not give them information or help

Example:
They decided to leave him out in the cold when planning the party.
Don't leave me out in the cold; tell me what's going on.