for the asking (adjective) on the house: for free
Sinonime: bellyaching, caviling, censorious, critical, criticizing, deprecatory, disparaging, fault-finding, griping, grouchy, grousing, grumbling, hypercritical, kvetching, moaning, nagging, niggling, nit-picking, overcritical, quibbling, scathing, whining
Antonime: complimentary, forgiving