unsolicited
🇺🇸
/ˌʌnsəˈlɪsɪtɪd/
🇬🇧
/ˌʌnsəˈlɪsɪtɪd/
Something that is given or happens without being asked for.
I received an unsolicited gift from a friend I hadn't seen in years.
我收到了一个多年未见的朋友寄来的未经请求的礼物。