uninvited guest
nounUK /ˌʌnɪnˈvaɪtɪd ɡest/
US /ˌʌnɪnˈvaɪtɪd ɡest/
A person who comes to a party or event without being asked to come.
A stranger showed up at the birthday party and turned out to be an uninvited guest.
RELATED WORDS
OTHER MEANINGS
2. Someone who enters a place or situation where they are not wanted.
The uninvited guest walked into the meeting and started shouting.
3. An animal or insect that comes into a home without being welcomed.
A raccoon became an uninvited guest in our kitchen last night.
4. A problem or feeling that appears suddenly and is not welcome.
Doubt was an uninvited guest at the celebration.