This has no discernible effect on taste and will go unnoticed to the untrained eye.
Times, Sunday Times (2010)
The corporation said the dispute had had no discernible effect on its viewing figures.
Times, Sunday Times (2010)
It may not have much discernible effect on growth and jobs.
Times, Sunday Times (2011)
It is a rare example of a government advertisement that actually produced a discernible effect on public behaviour.
Times, Sunday Times (2008)