ironical in WordNet English dictionary

1. 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"
   dry  ironic  ironical  wry 
   
2. 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"
   ironic  ironical