unrequested

arrogant gratuitous impudent not asked of one's own accord overbearing presumptuous spontaneous supererogatory unbidden uncalled-for undemanded undesired uninvited unprompted unsought unwanted unwelcome voluntarily willing without prompting

asked invited involuntary solicited

spontaneous uninvited unwelcome voluntary

free freewilled gratis gratuitous offered uncalled-for undesirable undesired unforced unsought volunteered

asked invited requested solicited

undesirable undesired unsolicited