比较级：weightier最高级：weightiest
weighty基本解释
形容词重大的，重要的，严重的
weighty词典解释
1. 重要的;事关重大的
If you describe something such as an issue or a decision as weighty, you mean that it is serious or important.
e.g. Surely such weighty matters merit a higher level of debate?
这样重大的事件谅必应进行更高级别的讨论吧？
2. (尤指书)重的，沉甸甸的
You use weighty to describe something, especially a book, that is heavy or heavier than you would expect.
e.g. Simon lifted a weighty volume from the shelf.
西蒙从书架上取下一本厚重的书。
weighty英英释义
adj
1. excessively fat
e.g. a weighty man
Synonym: corpulentobeserotund
2. having relatively great weight
heavy
e.g. a weighty load
a weighty package
3. weighing heavily on the spirit
causing anxiety or worry
e.g. weighty problems
4. of great gravity or crucial import
requiring serious thought
e.g. grave responsibilities
faced a grave decision in a time of crisis
a grievous fault
heavy matters of state
the weighty matters to be discussed at the peace conference
Synonym: gravegrievousheavy
5. powerfully persuasive
e.g. a cogent argument
a telling presentation
a weighty argument
Synonym: cogenttelling
