The phrase "a tedious process that" is correct and usable in written English.
It can be used to describe a process that is long, boring, or requires a lot of effort, often in a negative context.
Example: "Completing the paperwork was a tedious process that took much longer than expected."
Alternatives: "an exhausting procedure that" or "a monotonous task that".
Letterman's request for a bridge was not immediately acted upon, so he was forced to ferry food and medical supplies across the river, a tedious process that was inadequate to the task at hand.
It's a tedious process that will take months to complete, and may be slowed by accidents and sabotage.
For years biologists made DNA in a tedious process that involved copying thousands of DNA molecules and checking them for errors by putting them back into cells.
Managing international cargo shipments is a tedious process that still involves a lot of paperwork and Freightos is just one of a fleet of logistics startups that have attracted venture capitalists over the last couple of years.
However, comparing the cost of apartments from city to city is a tedious process that involves tons of Google searching and number-crunching.
In part, this is because sequence validation of clones is a tedious process that cannot be easily achieved without a well developed automated pipeline.
Honorable mention Elizabeth Hwang created a video for the same topic using stop-motion animation--a tedious process that involves scanning, printing, and cutting photos to set up frames.
This is a rather tedious process that involves running through a lot of useless information to find comparatively smaller pieces of useful information.
Turning these sorts of laboratory discoveries into treatments is a long and tedious process that often fails.
Will Bill Clinton's "confession" after a long and tedious process that held his proverbial feet to the fire lead to moral behavior?
"Traditional insurance is a slow and tedious process, that is not designed for freelancers," says Dinghy co-founder Rob Hartley.
