downright

1. ADV You use downright to emphasize unpleasant or bad qualities or behaviour. (强调不快或负面事物) 彻头彻尾地[ADV adj] [强调]

...ideas that would have been downright dangerous if put into practice. …那些如果付诸实施会十足危险的想法。

2. ADJ Downright is also an adjective. 彻头彻尾的[ADJ n]

...downright bad manners. …彻头彻尾的无礼行为。