1) Acerbic 2) Alanis Morissette hit 3) Amusingly twisted 4) An ironic remark 5) Arch 6) Bitter, Sneering, Sarcastic 7) Bitterly humorous 8) Caustic - like metal 9) Coincidental 10) Cynical 11) Cynically humorous 12) Darkly humorous 13) Derisive 14) Double-edged 15) Dramatically twisty 16) Dryly wry 1) Dry 2) Humorous 3) Humourous 4) Incongruous 5) Inconsistent 6) Ironical 7) Mocking 8) Scornful 9) Wry 
• (a.) Ironical.
I·ron'ic adjective Ironical. Sir T. Herbert. 
[adj] - characterized by often poignant difference or incongruity between what is expected and what actually is
ironic 1. Characterized by or constituting irony. 2. Given to the use of irony; sarcasm. 3. An outcome of events contrary to what was, or might have been, expected.
ironical adjective 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`
containing or exemplifying irony: an ironic novel; an ironic remark. · ironical. · coincidental; unexpected: It was ironic that I was seated next to my ex-husband at the dinner.
[Lesser known words] displaying incongruity between what is expected and what is