"Indissolubly" Natural Recordings by Native Speakers
Indissolubly means inseparably or unbreakably. It describes two things that are not only closely connected but also cannot be separated or broken apart.
Indisposed means feeling unwell or unable to attend to one's usual activities due to illness or injury. It can also mean being unavailable or unable to participate in something due to being busy or occupied with more important matters.