The phrase "in vain" typically means without success or result, often implying that efforts were made but ultimately futile. It can also suggest a lack of purpose or value in the actions taken. For example, if someone tries to achieve something but fails despite their efforts, they might say their attempts were "in vain."
parade
To do something in vain means that you do not succeed in doing what you are trying to do; to try in vain is to fail.
Though there are many words that have homonyms, homonyms for vain are vein and vane.
in vain means the expected result is not going to happen
Well...You just need to know what vain means.'It is vain to do with more what can be done with fewer.'or'My sister is so vain that she talks to herself in the mirror.'or'Some people are vain enough to laugh at ugly people.'
I think you mean "vain".
for no point
To die in vain means that you died for a cause but your death did not change anything.
Vain means conceited, or it may mean to no avail. Here are some sentences.She tried in vain to stand on her head.He was as vain as a peacock."You're so vain!" (a song by Carly Simon)
Most likely Artemis killed her with her arrows. Artemis killed Chione because she became too vain after an affair with Apollo.
Vain
Without effect or to no purpose