1.
An ~ question is one that has not been asked, although people are wondering what the answer is.
She was undernourished, an observation that prompted yet another ~ question...
Significant questions will go ~.
ADJ
2.
If someone says or does something ~, they say or do it without being asked to do it.
His advice, offered to her ~, was to stay home and make the best of things.
= unprompted
ADJ: ADJ after v