The doctor was however entitled to withhold from the patient information as to a risk if he reasonably considered that its disclosure would be seriously detrimental to the patient's health.

Overcrowding and severe space restrictions are seriously detrimental to welfare.

Clearly the week's unauthorised absence has had a seriously detrimental effect on their educational achievements.

You just can't lose that many top-class horses without it being seriously detrimental to the excitement of the season.

As with electric motors of the period, the designers did not fully realize the seriously detrimental effects of large air gaps in the magnetic circuit.