The phrase "an indeterminate length" is correct and usable in written English.
It can be used when describing something that does not have a fixed or defined length, often in technical or descriptive contexts.
Example: "The cable was cut to an indeterminate length, making it difficult to measure accurately."
Alternatives: "an unspecified length" or "a variable length".
And, oh yes, we also learn from news reports that we have a shadow government in our own backyard, composed of unknown bureaucrats, up and running at undisclosed locations, for an indeterminate length of time.
In the last months of the job I realised there was no way I could sustainably stay in seasonal work without having to constantly move back home, so instead I moved home for an indeterminate length of time.
Flippantly saying "do something in the lab for, like, 10 minutes" when you clearly mean "do something in the lab for an indeterminate length of time".
But is it reasonable for Customs to search you, then take away your laptop, hold onto it for an indeterminate length of time, all the while rifling through your browser history, photo directory, etc? Are they afraid of my exploding plain text files or something?
Scrotal US may include evaluation of the perineum in a patient presenting with pain and infectious symptoms; additionally, obtunded patients should also undergo imaging evaluation of the perineum, especially those who have been incapacitated for an indeterminate length of time and those in whom there is clinical suspicion for diabetic coma.
Friday the 13th Part VII: The New Blood (1988) begins an indeterminate length of time after Jason Lives.
Ratliff, the team's defensive anchor, suffered an injury of indeterminate length and they were forced to deal multiple assets, including their best three-point shooter, Toni Kukoc, in order to acquire Dikembe Mutombo.
Sharing e-mail accounts between husband and wife or significant others is just lighting a fuse of indeterminate length and waiting for the bomb to go off ("Love, Honor, Cherish. But Reveal My Password?" Feb. 17).
After indicating a stay of indeterminate length in Harran, the Bible says only that Terah died there, at the age of 205, and that Abraham was 75 when he took up the journey again with his family and his goods.
Aggreko plc (Aggreko) provides power and temperature control solutions to customers who need them either very quickly, or for a short or indeterminate length of time.
That seems fitting, since the exhibition represents a way station on an artistic journey of indeterminate length and destination.
