The phrase "relatively serious" is correct and can be used in written English.
It is typically used to describe something that is not extremely serious, but still has significant importance or severity. Here is an example sentence: "Although the situation was relatively serious, the team managed to handle it calmly and efficiently."
Five people were arrested on relatively serious allegations.
He has sustained relatively serious facial and other injuries throughout his career.
But these were relatively serious attempts on her part to explore the subject".
The gendarmerie mountain rescue team said during on Sunday afternoon that Schumacher had suffered a "relatively serious" head injury.
The gendarmerie mountain rescue team said during the afternoon that Schumacher had suffered a "relatively serious" head injury.
But those shows, according to Nielsen, are likely to include sit-coms like NBC's "Frasier" and ABC's "Spin City," as well as relatively serious dramas like NBC's "E.R".
Hence the imperative for master marketeers such as Harvey Weinstein: the Oscars are not simply an opportunity for finagling and ear-bending, but that award success is often the life blood for relatively serious-minded films that get little opportunity for major exposure at other times.
The festival is organised by Aesthetica Magazine, one of the relatively few serious arts publications flourishing outside London.
In the Persian Gulf war in 1991, Iraq fired 39 Scud missiles with conventional warheads at Israel, causing damage but relatively few serious casualties.
Despite its high speeds through an icy chute, luge has had relatively few serious injuries since it was added to the Olympic program in 1964.
Up and down Route 90, the highway that runs along the coastal areas that took Hurricane Gustav's punch, the scenes were similar: lots of downed trees, power lines and signs, and some flooding, but relatively little serious damage.
