Present in the vicinity.
"I can't locate my keys, but I'm sure they are somewhere around here since I only walked a few steps away."
In plain English: Around means being somewhere close to a person or thing but not exactly next to it.
"The price is going to go up around twenty percent next year."
Usage: Use "around" as an adjective only when it directly modifies a noun to mean existing in the vicinity, such as in the phrase "people around me." In most other cases, you should use it as an adverb or preposition instead.
by a circular or circuitous route
"He came all the way around the base"
"the road goes around the pond"
(of quantities) imprecise but fairly close to correct
"lasted approximately an hour"
"in just about a minute"
"he's about 30 years old"
"I've had about all I can stand"
"we meet about once a month"
"some forty people came"
"weighs around a hundred pounds"
"roughly $3,000"
"holds 3 gallons, more or less"
"20 or so people were at the party"
to a particular destination either specified or understood
"she came around to see me"
"I invited them around for supper"
So as to form a circle or trace a circular path, or approximation thereof.
"The crowd gathered around the stage in a tight circle to watch the performance."
In plain English: Around means being in the general area of something rather than at a specific spot.
"The package will be here somewhere around noon today."
Usage: Use "around" to indicate moving in a circular pattern or following a curved route rather than going straight. It also works when describing an approximate location or time without needing exact precision.
Defining a circle or closed curve containing a thing.
"The hikers tied their backpacks to a sturdy branch and walked around in a tight circle until they were back at the starting point."
The word "around" comes from combining the prefix a- and the word round, which was borrowed from French. It replaced an older form of the same meaning that had been used in Middle English.