The phrase "austere manner" is correct and usable in written English.
It can be used to describe a way of behaving or presenting oneself that is serious, strict, or lacking in comfort or luxury.
Example: "The professor spoke in an austere manner, commanding respect and attention from all his students."
Alternatives: "stern demeanor" or "severe attitude".
His austere manner did not deter pupils from giving him rave reviews.
Cano's Crucifixion, displayed opposite Bacon's earliest treatment of the subject, exemplifies the severe and austere manner characteristic of the Sevillan school of painting of the first half of the 17th century.
The presence of the ribbon naturally brings to mind Michael Haneke's The White Ribbon, and there are certainly the same themes of puritanism as seen in that film, albeit expressed in a far less austere manner.
"The time has arrived for Ivorians to come together," Mr. Ouattara, a former economist and banker, said in a speech that did not deviate from his habitually austere manner.
He would not kneel to pray, and when his pastor rebuked him for setting a bad example by leaving services before communion, Washington mended his ways in his austere manner: he stayed away from church on communion Sundays.
Cano's Crucifixion, displayed opposite Bacon's earliest treatment of the subject, exemplifies the severe and austere manner characteristic of the Sevillan school of painting of the first half of the 17th century.
He had an austere, patrician manner and, as far as I could discover, went in for rib cages rather than too much laughter.
And when the company's results foundered, his austere, lawyerly manner, albeit leavened with a sharp sense of humor, did not go over well.
At that time he was still immature, lacking in self-confidence, austere in manner, and, because of a physical defect (later remedied by an operation), unable to consummate his marriage.
"He's very serious, competent, sober, almost austere in his manner," said Alessia Mosca, a Democratic Party lawmaker who also worked at Arel and has known Mr. Letta for years.
Unlike the liberation of Paris, where Ernest Hemingway had observed, "Anyone who doesn't get drunk tonight is an exhibitionist," Vietnam's wartime anguish ended quietly and, in the austere and disciplined manner of the men who had come to govern, somberly.
