If you describe something such as furniture, clothing, or the way that a house is decorated as tasteless, you consider it to be vulgar and unattractive.
双语例句
例：
a house crammed with tasteless furniture.
一座塞满了毫无品位的家具的房子。
2.?（言辞、笑话）没品位的 , 低俗的
If you describe something such as a remark or joke as tasteless, you mean that it is offensive.
双语例句
例：
I think that is the most vulgar and tasteless remark I have ever heard in my life.
我认为那是我平生听到过的最庸俗最没品位的话。
3.?（食品、饮料）没味的
If you describe food or drink as tasteless, you mean that it has very little or no flavour.