ironic

humorously sarcastic or mocking

• “dry humor”
• “an ironic remark often conveys an intended meaning obliquely”
• “an ironic novel”
• “an ironical smile”
• “with a wry Scottish wit”

characterized by often poignant difference or incongruity between what is expected and what actually is

• “madness, an ironic fate for such a clear thinker”
• “it was ironical that the well-planned scheme failed so completely”