Inextricable (adjective)

1. Impossible to disentangle or separate.
2. Impossible to extricate oneself from.
3. Impossible to be disentangled or separated.

Origin:

From in- ("not") + extricable ("able to be disentangle.d")

Examples:

1. The two issues were inextricable and needed to be addressed together.
2. The problem was inextricable and difficult to solve.
3. The relationship between the two countries was inextricable and complex.
4. The situation was inextricable and required immediate action.
5. The knot was inextricable and couldn't be undone.