too confident, in a way that shows a lack of respect for other people自负；冒昧；放肆- Would it be presumptuous of me to ask to borrow your car?请问我借你的车冒昧吗？
- Isn’t it rather presumptuous of you to decide what he needs?他需要什么得你来定，这难道不是自以为是吗？
- It would be presumptuous to assume she will accept the offer.假设她会接受这个提议是很冒昧的。
Topics Personal qualitiesc2Word OriginMiddle English: from Old French presumptueux, from late Latin praesumptuosus, variant of praesumptiosus ‘full of boldness’, from praesumptio ‘anticipation’, from the verb praesumere ‘anticipate’ (in late Latin ‘take for granted’), from prae ‘before’ + sumere ‘take’.