a.

1. 冷嘲的，挖苦的
   an ironic smile

   冷笑

2. 具有讽刺意味的；出乎意料的
   It's ironic that the weakest student in mathematics was elected class treasurer.

   数学最差的学生竟被选为班级财务干事，这真是具有讽刺意味。

3. 用反语的；爱挖苦人的
   an ironic speaker

   爱用反语的演讲者

adj.

1. using or characterized by irony.
2. happening in the opposite way to what is expected, and causing wry amusement because of this.