Redlining is still practiced today on a more subtle level.

Psychologists also say they have identified a more subtle level of sexism than the traditional bias.

Those things can be portrayed on a very subtle and personal level.

But you have to wonder how pervasive it is at a subtle level.

Away messages are working overwhelmingly on this subtle underlying level.

This was language on its most subtle level, the direct level of meaning.

Only grazing has done it in a slightly more subtle level.

This could be operating on a more subtle level.

The damage occurred on a much deeper and more subtle level.

And, on a more subtle level, they were able to sense something - an emergent energy.