(~s)
Note: in AM, use 'rigor'
1.
If you refer to the ~s of an activity or job, you mean the difficult, demanding, or unpleasant things that are associated with it.
He found the ~s of the tour too demanding.
N-PLURAL: usu the N of n
2.
If something is done with ~, it is done in a strict, thorough way.
The new current affairs series promises to address challenging issues with freshness and ~.
N-UNCOUNT