| unsolicited(adjective, for, available, uninvited, unsought) |
| unasked(adjective, freely, voluntary, unsolicited, uninvited) |
| unsought(adjective, willing, arrogant, spontaneous, voluntary) |
| gratuitous(adjective, willing, arrogant, voluntary, unwelcome) |
| uninvited(adjective, willing, arrogant, spontaneous, voluntary) |
| uncalled-for(adjective, willing, arrogant, spontaneous, voluntary) |
| spontaneous(adjective, willing, arrogant, voluntary, unwelcome) |
| unasked for(expression, adjective, free) |
| unbidden(adjective, willing, arrogant, freely, voluntary) |
| unprompted(adjective, willing, arrogant, freely, voluntary) |
| free |
| offered(adjective, free, available, volunteered) |
| unforced(adjective, free) |
| unlooked-for(adjective, unsolicited) |
| unwanted(adjective, willing, arrogant, voluntary, unwelcome) |
| unwelcome(adjective, willing, arrogant, spontaneous, voluntary) |
| voluntary(adjective, willing, arrogant, unwelcome, unwanted) |
| arbitrary |
| autonomous |
| discretional |