"casual practice" is a correct and usable phrase in written English.
It refers to an activity that is done casually and without a specific plan or purpose, usually as a way to pass the time. For example, "I was just doing some casual practice on the piano."
The following day, a stringent system for monitoring mileage replaced the previous casual practice.
But so widespread was the sense of dissatisfaction at buildings reduced to memory within the architect's lifetime that the Rubble Club was created, to formalise a casual practice.
The atmosphere here is collegial and casual — practice closed Friday with a water-balloon-catching contest — but there is no mistaking who is in charge.
This time around, a few casual practice rounds sufficed for Price and Stewart, enough for them (and their regular caddies) to acclimate to the 30-mile-an-hour wind.
Can this casual practice really be significant?
British Open week began here Monday with casual practice rounds and casual chatter.
While it would be naïve to think casual practice-round wagers between players don't take place constantly on the tour — in addition to betting on other sports, like Mickelson's famous forays into N.F.L. betting — there are strict regulations prohibiting players from betting "money or anything of value on a golf tournament or similar event, whether or not the player is in such competition".
however, even a casual consideration of standard frequentist practice reveals that this is patently untrue.
Known as the "blue streak from Duke," he was clocked during a casual track practice his freshman year at 9.7 seconds in the 100-yard dash, fourth-tenths of a second shy of the world record set eight years earlier.
The casual English practice of animal husbandry allowed sheep to roam free, consuming a variety of forage.
The results of retrofitting works are often sub-optimal due to casual inspection practices and lack of knowledge concerning the actual corrosion damage.
