uninvited
/ˌʌnɪnˈvaɪtɪd/adjective
1- (of a person) attending somewhere or doing something without having been asked（人）未被邀请的; 不请自到的：
their privacy was disrupted by a series of uninvited guests.
他们的清静被一连串不请自到的来客破坏了。
1.1
- (of a thought or act) involuntary, unwelcome, or unwarranted（思想, 行为）自发的; 不受欢迎的; 无理由的：
strange uninvited thoughts crossed her mind.
她脑海中闪过奇特而控制不住的想法。
派生词