Meaning of the word "gate crasher" in English

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

gate crasher

US /ˈɡeɪtˌkræʃ·ər/
UK /ˈɡeɪtˌkræʃər/

Noun

a person who attends a party or event without an invitation

Example:
Security was tight to prevent any gatecrashers from entering the exclusive party.
He tried to be a gatecrasher at the concert, but was quickly turned away.