A more subtle undercurrent in Seascape is the idea of alienation.
The fund also reflects a subtle undercurrent of protest directed at the agency itself.
What did worry her was the subtle undercurrent of disapproval among those whose opinion she really valued.
"A subtle undercurrent, as though something large just passed under our craft."
A thoughtful, taut story tinged with a subtle undercurrent of sadness.
On the contrary, there was a subtle undercurrent of excitement running through him.
While not showing it, Riggs picked up on the subtle undercurrents.
He looked at Rufo again, noting a subtle undercurrent of nervousness in the angular man.
There is no overt criticism of you, just a subtle undercurrent that the whole thing was your fault.
There was no subtle undercurrent to the question.