Once again, another crowdfunded project had gone bust, trapping backer's pledges for an indeterminate period of time. (floship.com)
The net effect was to halt for an indeterminate period a shareholder activist campaign by Related and Corvex. (dealbook.nytimes.com)
In fact, the internal evidence in that Bible book shows that the word «day» is, in fact, an indeterminate period of time allowing for the millions / billions of years that facts show the earth and the universe have been in existence. (religion.blogs.cnn.com)