weightiest
adj. 重大的,重要的,嚴重的( weighty的最高階 )
If you describe something such as an issue or a decision as weighty, you mean that it is serious or important.
Surely such weighty matters merit a higher level of debate?
這樣重大的事件諒必應進行更高階別的討論吧?
You use weighty to describe something, especially a book, that is heavy or heavier than you would expect.
Simon lifted a weighty volume from the shelf.
西蒙從書架上取下一本厚重的書。