not directly caused by something [≠ direct]:
Losing weight is an indirect result of smoking cigarettes.
The indirect effects of climate change may be profound.
an indirect way to a place is not the straightest way [≠ direct]:
They took an indirect route, avoiding the town centre.
not saying or showing something in a clear definite way [≠ direct]:
George's comments were an indirect way of blaming me.
Perhaps I was indirectly responsible for the misunderstanding.