1 very evil but often intelligent:
a diabolical genius
In such situations where the bonds of community are undone and diabolical forces are unleashed, it is a trifle pointless to place the rebels on any scale of rationality.
Machines were viewed both as time-saving miracles with the promise of creating an easier life for each of us, and simultaneously as diabolical threats to our central humanity.
Conical intersections : diabolical and often misunderstood.
If not, from next year, old-age pensioners and other members of the travelling public will face diabolical fare increases, well above inflation.
The effect of press and television coverage on disruptive children has been diabolical.
I consider it diabolical that employers should have to pay taxes for the people who come to work on their premises.
You have an indefinite possibility of the diabolical development of new methods of warfare.
The system of these awards has been referred to in the medical profession as one of "diabolical secrecy".