Completely opposite to with 〜どころか
どころか joins two sentences to emphasize that the first sentence is the opposite of reality, and that the second sentence is the fact. The first sentence is “competelely opposite” or “completely different” from the reality portayed in the second sentence.
When both sentences are affirmative or both are negative, it has the meaning of “not just” or “even” in English.
In the case where either sentence is affirmative and the other is negative, it has the sense of “far from” in English.
Further reading
- AどころかB|日本語能力試験 JLPT N2 (edewakaru.com)
Examples
藤原くんはだいたい正しい » Volume 1 » Page 140
名探偵コナン » Volume 4 » Page 161
くノ一ツバキの胸の内 » Volume 1 » Page 85