An alternative form for Saint Louis, Missouri that can be used in reference to any location within the Greater St. Louis area, including, but not limited to, the City of St. Louis, St. Louis County and sections of St. Charles County. The definition of the term varies according to the individual's geographic location. When someone has travelled away from the area, they may use the term more broadly, however, a resident may not include the entire Greater St. Louis area in their own definition.
"Hey, there's a lot going on in the STL this weekend, so maybe we should go check it out."

"Several people I knew in high school went to Mizzou for college, but only a few chose to stay in the the STL.

"I heard your favorite band is coming to the STL next year!"
by 2NIC October 17, 2009
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