This word is used to describe evil things, for example, crimes.

回復 @圓環之理：Not exactly but this is the synonym of wicked.

回復 @葉子保護傘：Nope, but some letters are right.

回復 @於氏偵探：Adjective

回復 @圓環之理：nope, this word is too long.

回復 @圓環之理：nope, this word is also too long. But my word exactly ends with "-ous"

回復 @圓環之理：The last hint: this word consists of 7 letters and the last three letters are "ous"

回復 @圓環之理：Yeah. You're right.