ALL meanings of fiendish
fiend·ish
F f - noun fiendish Extremely cruel or unpleasant; devilish. 1
- adjective fiendish devilish, wicked 1
- adjective fiendish ingenious, complex 1
- adjective fiendish diabolically cruel and wicked. 1
- adjective fiendish Sinister; evil; conniving; like a fiend. 0
- adjective fiendish A fiendish plan, action, or device is very clever or imaginative. 0
- adjective fiendish A fiendish problem or task is very difficult and challenging. 0
- adjective fiendish A fiendish person enjoys being cruel. 0
- adjective fiendish of or like a fiend 0
- adjective fiendish diabolically wicked or cruel 0
- adjective fiendish extremely difficult or unpleasant 0
- adjective fiendish of or like a fiend; devilish; inhumanly wicked or cruel 0
- adjective fiendish extremely vexatious or difficult 0