Как по Английски будет впустую

adjective

Unsuccessful or useless; failing to achieve a purpose

Примеры использования:

A vain attempt to avoid responsibility, employers clearly hoped that the workers would stay longer,…

noun

An intention or aim; a reason for doing something or for allowing something to happen

Примеры использования:

[ c ] for budgeting purposes, you really have to start estimating costs now., [ c ] the delay reall…

verb

Archaic or dialect second person singular past of be.