[syn: dry, ironic, ironical, wry]
The Collaborative International Dictionary of English v.0.48:
Ironical \I*ron"ic*al\, a. [LL. ironicus, Gr. ? dissembling: cf.
   F. ironique. See Irony.]
   [1913 Webster]
   1. Pertaining to irony; containing, expressing, or
      characterized by, irony; as, an ironical remark.
      [1913 Webster]
   2. Addicted to the use of irony; given to irony. --
      I*ron"ic*al*ly, adv. -- I*ron"ic*al*ness, n.
      [1913 Webster]
WordNet (r) 3.0 (2006):
ironical
    adj 1: 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" [syn: ironic, ironical]
    2: 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"
       [syn: dry, ironic, ironical, wry]