un ‧ in ‧ vit ‧ ed /ˌʌnɪnˈvaɪtəd◂, ˌʌnɪnˈvaɪtɪd◂/ BrE AmE adjective
[ Word Family: noun : ↑ invitation , ↑ invite ; adjective : ↑ uninvited , ↑ inviting ≠ ↑ uninviting ; verb : ↑ invite ; adverb : ↑ invitingly ]
not invited and expected:
uninvited guests
Helen turned up uninvited.