The phrase "a tedious conversation" is correct and usable in written English.
You can use it to describe a discussion that is boring, repetitive, or lacking in interest.
Example: "After an hour of a tedious conversation about the weather, I was eager to change the subject."
Alternatives: "a dull discussion" or "an uninteresting dialogue."
Turner fans may enjoy the sweet revenge of it portraying him as an intolerable pillock who embarrasses himself following a hilariously tedious conversation about a gooseberry.
Many businessmen have poems and other bits of the classics under the glass on their desk, which they study during lulls in a meeting, while listening to a tedious telephone conversation, and at other odd moments.
Harland Dorrinson, a forty-one-year-old carpet-tile salesman and self-described "fiscal-cliff nut" has turned himself into a pariah with his inexplicable interest in the most tedious conversation topic ever.
His agent pays him a visit and tries to persuade him to return to the stage (their tedious conversation takes up several pages).
On the list of tedious conversation topics, they fall somewhere between the five-day forecast and golf.
Break every rule when it comes to universally tedious conversation, but please, don't talk about how exhausted you are.
After Amir Elichai, founder and CEO, was robbed on Tel Aviv beach in 2013, he called the police and had to trudge through a tedious, long-winded conversation with the dispatcher ("Where are you, what happened, etc").
I was alone, along with thousands of other students, in a sea of club nights and quizzes and tedious conversations about other people's A-levels.
It's somewhere we're supposed to go to seek brief solace before re-entering a painful outside world of tedious conversations, obligatory tipping and buskers playing "Jerusalem".
Just like Netflix does not guarantee that you will watch the movie it recommends, but saves you a ton of time and effort in going through a vast catalog; similar techniques can save a lot of time consuming and tedious conversations in forecast and pipeline review calls intended to dissect the sales pipeline and figure out what deals are the ones that matter.
