* Formal: "I received an unsolicited job offer from a company I had never even applied to."
* Informal: "I get so many unsolicited opinions on my new haircut."
* Humorous: "My cat enjoys giving unsolicited head-bumps to anyone who walks by."
* Negative: "The company received a barrage of unsolicited negative reviews after the product launch."
* Positive: "The artist was overwhelmed by the unsolicited praise for her latest exhibition."
The meaning of "unsolicited" is that something is given or received without being asked for. It can be used in a variety of contexts, from formal business interactions to casual conversations.