The phrase "a decent length of" is correct and usable in written English.
It can be used when describing a measurement or duration that is satisfactory or acceptable in size or extent.
Example: "The report was a decent length of ten pages, providing enough detail without being overwhelming."
Alternatives: "an adequate length of" or "a reasonable length of".
Use a decent length of thread so you can then stitch the flower to the water bottle cover.
It's a decent length of time and we're working with 3,000 prisoners, when 300 would normally be a big number for us.
You may feel outraged at being expected to spend a decent length of time in contemplation of something that can be taken in, with all its defects, at a glance.
"I would argue that you can only be the undisputed number one if you can occupy that place in the rankings for a decent length of time," he said.
One idea that is increasingly touted as a solution is to give those investors who keep hold of their shares for a decent length of time more say over the management of a company than mere interlopers hoping to make a quick buck.
When a financial trend is featured on a magazine cover, the chances are that this trend is already widely known, universally accepted, and in place for a decent length of time.
Several deliveries that would be a decent length to a batsman of average height seem fractionally short to the right-handed Taylor and are rifled to the boundary with a pirouette of the body and a thrust of the bottom hand.
The story of Noah spans four chapters of Genesis, a decent length for a biblical parable.
A broad narrative has come to define Watford since their return to the top flight in 2015 – that of a club forever in a state of head-scratching change, where neither managers or players stay for any decent length of time.
It's when they're freed from parental control, after having had a decent length spell of dependency, that adolescents and young adults learn how to make their own decisions and take responsibility for them.
We certainly need the sorts of work-family supports that all other industrialized nations have: paid maternity leave of a decent length, paid sick days, the ability to work part time without losing your job, etc.
