n. 词义反用法;反语,反话〔表示幽默或讽刺,如: a giant of three feet, four inches 中的 giant〕。
the use of a word in a sense opposite to its normal sense (especially in irony)
An antiphrasis (; from the , antí, "opposite" and , phrásis, "diction") is a figure of speech in which a word or phrase is used to mean the opposite of its usual sense, especially ironically.