"utmost calm" is a correct and usable phrase in written English.
You can use it to convey a level of tranquility or peacefulness. For example, "The lake was cloaked in an atmosphere of utmost calm."
The Prophet, peace be upon him, wiped her tears with his own hands and tried his utmost to calm her down.
"I'd like to appeal to all armed forces who are on duty to defend the border to keep calm, exercise utmost restraint and avoid any activities that could lead to tension or clashes," he said in a televised broadcast on Thursday.
The question is of utmost importance.
When salvaging a relationship, it is of the utmost importance that you remain calm at all times.
Please proceed with the utmost care".
So far, the Chinese government has tried to exert a calming influence on North Korea, making its "utmost efforts in its own way," the foreign ministry spokeswoman said.
Finding calm in your menopause storm is your utmost priority.
And the calmer you'll be able to stay, which is of utmost importance.
In a speech on December 1st, Mr Sarkozy was expected to try to calm the panic, and to persuade voters that surrendering budgetary powers would be beneficial.Mr Sarkozy is doing his utmost to appear as a joint commander of the "Merkozy" rescue mission.
Although Nadal looked frazzled at times during his 3-hour-13-minute outing against Querrey, with select Spanish phrases crossing his lips, Nadal conducted his postmatch news conference with the utmost calm in his quickly improving English.
