1) Below the belt 2) Discriminatorily 3) In an unfair manner 4) Irrationally 5) One way to get the blame 6) One-sidedly 7) Partially 8) Unreasonably 9) With bias 10) With prejudice 1) Cruelly 2) Deceitfully 3) Falsely 4) Irrationally 5) Unequally 
[adv] - in an unfair manner
below the belt adverb in an unfair manner; `they dealt with him unfairly`; `their accusations hit below the belt`