about in WordNet English dictionary

1. (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"
   approximately  about  close to  just about  some  roughly  more or less  around  or so  approximately  about  close to  just about  some  roughly  more or less  around  or so 
   
2. in the area or vicinity
   "a few spectators standing about"; "hanging around"; "waited around for the next flight"
   about  around  about  around 
   
3. in or to a reversed position or direction
   "about face"; "suddenly she turned around"
   about  around  about  around 
   
4. in rotation or succession
   "turn about is fair play"
   about  about 
   
5. used of movement to or among many different places or in no particular direction
   "wandering about with no place to go"; "people were rushing about"; "news gets around (or about)"; "traveled around in Asia"; "he needs advice from someone who's been around"; "she sleeps around"
   about  around  about  around 
   
6. (of actions or states) slightly short of or not quite accomplished; all but
   "the job is (just) about done"; "the baby was almost asleep when the alarm sounded"; "we're almost finished"; "the car all but ran her down"; "he nearly fainted"; "talked for nigh onto 2 hours"; "the recording is well-nigh perfect"; "virtually all the parties signed the contract"; "I was near exhausted by the run"; "most everyone agrees"
   about  almost  most  nearly  near  nigh  virtually  well-nigh  about  almost  most  nearly  near  nigh  virtually  well-nigh 
   
7. all around or on all sides
   "dirty clothes lying around (or about)"; "let's look about for help"; "There were trees growing all around"; "she looked around her"
   about  around  about  around 
   

1. on the move
   "up and about"; "the whole town was astir over the incident"
   about  astir