def是什么意思的回答为极好的。
"def"是英语中的一个缩写或缩略词，有多个含义：
1、在编程语言（如Python）中，"def"是定义函数的关键字。例如，def function_name()：表示定义一个名为 function_name 的函数。
2、在英语口语或互联网俚语中，"def"通常是 "definitely" 的缩写，意思是“肯定地”或“无疑地”。
3、在音频技术中，"def"可能是 "definition" 的缩写，例如在 "high def" 或 "HD"（高清）中。
拓展知识——definitely造句
1、"It's definitely not progressive," argued gender expert Fang.
性别问题专家方刚表示：“这肯定不是进步。”
2、The genetics expert told the parents the baby is very healthy and definitely not albino。
遗传学专家表示，这个孩子很健康，她没有得白化病，是个正常的白种小孩。
3、The result will definitely turn out to be just the opposite of their wish.
其结果必然不会像他们所一厢情愿的那样， 而只能适得其反。
4、"The UAE and Qatar have definitely regressed," says the ILO's Mr. Khan.
阿联酋和卡塔尔显然在退步，国际劳工组织的汗先生表示。
5、It was only when I removed the structure, could I confirm that it was definitely a foetus.
只有当我移除了这一结构时，我才确认这确实是一个胎儿。
6、She comes to me with questions, but there are definitely topics I have to broach.
她有事会来问我，当然也有些话题需要我来挑起。
7、They would definitely stick out above the atmosphere.
这样这些顶点肯定在大气层之外了。
8、It is definitely desirable to have a good palate for dood or wine.
对食物和酒类精于品评，却是求之不得的。
9、A OK, we will definitely order fish.
A好的，我们一定要点鱼。
10、You definitely have to do a few drafts of a paper before it’s good enough to hand in.
在交出一篇优美的作文之前，你肯定需要打几遍草稿。