Definitely not
absolutely not
impossible
do you really think~?
Structure
- Verb[る] + ものか
- い-Adj + ものか
- Noun + な ものか
- な-Adj + な ものか
ものか・もんか・ものですか・もんですか
[can be used to create a sarcastic/rhetorical question, often implying a hard “no,” “are you kidding?” or “you must be joking”]