The adj about has 1 sense (no senses from tagged texts)
1. about, astir -- (on the move; "up and about"; "the whole town was astir over the incident")
Overview of adv about
The adv about has 7 senses (first 7 from tagged texts)
1. (55) approximately, about, close to, just about, some, roughly, more or less, around, or so -- ((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")
2. (10) about, around -- (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")
3. (5) about, around -- (in the area or vicinity; "a few spectators standing about"; "hanging around"; "waited around for the next flight")
4. (3) about, around -- (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")
5. (3) about, around -- (in or to a reversed position or direction; "about face"; "suddenly she turned around")
6. (2) about -- (in rotation or succession; "turn about is fair play")
7. (1) about, just about, almost, most, all but, nearly, near, nigh, virtually, well-nigh -- ((of actions or states) slightly short of or not quite accomplished; "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")