diabolical Edit
    പൈശാചികമായ, അതിദുഷ്ടമായ

diabolical Edit
Adjective
    showing the cunning or ingenuity or wickedness typical of a devil
eg: the diabolical expression on his face

diabolical Edit
Adjective
    extremely evil or cruel; expressive of cruelty or befitting hell
eg: diabolical sorcerers under the influence of devils

Entries from Olam Open Database

Diabolical(adjective)::
    മോശമായ,
    നീചമായ,
    നിന്ദ്യമായ,
    അതിനിഷ്‌ഠുരമായ,
    പൈശാചികമായ,
    അതിദുഷ്‌ടമായ,
    വളരെ ചീത്തയായ,

visit http://olam.in/ for details