If you do something that achieves nothing/was a waste of time, you did it in vain. Doing something in vain means your efforts were fruitless.
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.
An attempt to do something that failed
If someone is called "vain" it means that they only care about themselves and their image. Mostly dealing with appearances.
then you probably missed the vain then you probably missed the vain
without success, or something done for nothing, as a waste of time and energy.
It means do not dwell on the past as if you could have changed something to make it work.
Vain is an adjective--a vain man.
vain,showing off one- self or something: marangya, mapagparangya, nagpaparangya, banidoso/aI recommend using banidoso/a more often than the others.
Vain is an adjective. It has no tense.
This means that your are working in vain. That something does not worth the effort of working on because it will not be profitable.
vain
Vain already is an adjective.